Statistics: Informed Decisions Using Data (5th Edition)

Chapter 1

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Statistics is the technique of collection, ... more

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The complete set of people or objects to be ... more

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Individual  ; A single element (person or object) ... more

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Descriptive ; Descriptive statistics includes ... more

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Statistic ; Statistic is a value based on the ... more

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Variables  ; The characteristics of all the people... more

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All the governors of the 50 states represent the ... more

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The class of 28 students represents the population... more

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The 1300 students in the survey represent the ... more

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The respondents in the survey represent the sample... more

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The total number of times the player has gone to ... more

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All the 12 men who walked on the moon represent ... more

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The 6076 adults who participated in the study ... more

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The 100 adults who were interviewed represent the ... more

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Nation of origin is an attribute to identify ... more

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The number of siblings takes the value of counts, ... more

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The variable takes a numerical measurement of the ... more

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A football player's jersey number identifies the ... more

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The total number of unpopped kernels is a ... more

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The value of a house is a numerical measurement ... more

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A phone number categorizes an individual's contact... more

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A student ID number is used to categorize students... more

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Number of goals scored by a soccer player takes ... more

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The volume of water lost is not countable. It can ... more

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The length of a song measured in minutes is not ... more

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The total number of sequoia trees is a numerical ... more

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Temperature is a measurement that is not countable... more

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Internet connection speed can take infinite values... more

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The number of points scored in basketball games ... more

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Air pressure is a measurement and not something ... more

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Nominal ; Nation of origin is the categorical ... more

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Ordinal ; Movie ratings of one star through five ... more

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Ratio ; The volume of water used by a household in... more

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Interval ; The difference in the year of births ... more

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Ordinal ; The highest degree achieved by the ... more

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Nominal ; Eye color is a categorical variable that... more

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Ratio ; Assessed value of a house is the ... more

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Interval ; The time of day measured in military ... more

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The population consists of all teenagers between ... more

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The population consists of all the bottles of '... more

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The population consists of all the soybean plants ... more

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The population consists of all households present ... more

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The population consists of all women aged between ... more

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The population consists of all full time students ... more

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Individuals are the members of a population under ... more

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Individual is an object that is a member of a ... more

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Nominal.Yes, the level of measurement changes to ... more

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The qualitative variable allows categorization ... more

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Discrete variables can take countable values but ... more

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The variables measured at the nominal level are ... more

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The values of certain characteristics change from ... more

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The process of statistics includes identifying the... more

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Yes, it can be considered discrete by measuring it... more

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The explanatory variable influences the change in ... more

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The study in which the response variable is ... more

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Confounding is the phenomena that occurs in a ... more

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The choice depends on the situation. If there is ... more

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Cross-sectional study gathers information in a ... more

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Cohort study means that the participants were ... more

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There is an ethical issue in denying some of the ... more

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Retrospective means the study gathers information ... more

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The researchers are conducting a study to know why... more

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Dividing the rats with cancer into different ... more

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Both groups of students are taught by two ... more

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The association between hair and heart disease is ... more

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The survey is conducted just by asking people if ... more

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The participants were asked to taste the two ... more

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Patients are divided into two groups, one with ... more

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The agents are observing the fishes to determine ... more

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The researcher conducted a cohort study by ... more

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The list of individuals in a population is called ... more

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It is a sampling technique in which each unit of a... more

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Sampling without replacement gives each item in a ... more

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Random sampling is the technique of obtaining a ... more

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HF, PAP, and TJ ; Write the name of each book on a... more

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Ma and Jo ; Write the first two letters of the ... more

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Assign numbers to each of the members. Select any ... more

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Assign numbers to each of the employees. Select ... more

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Stratified sampling is suitable when the ... more

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Systematic sampling ; Systematic sampling is ... more

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The individuals selected in the convenience sample... more

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Cluster ; Cluster sampling is the process of ... more

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Stratified ; Stratified sampling is the process of... more

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Systematic sampling involves selecting individuals... more

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Simple random sampling is not preferred when the ... more

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Cluster sampling involves selecting all units from... more

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The individuals are not selected at random in a ... more

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The individuals are separated into homogenous ... more

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Systematic sampling ; Systematic sampling involves... more

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Cluster sampling ; Cluster sample includes all the... more

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Cluster sampling ; Cluster sampling involves ... more

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Stratified sampling ; Stratified sample includes ... more

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Simple random sampling ; There is a random ... more

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Convenience sampling ; The sample members are self... more

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Cluster sampling ; 50 subsections represent the ... more

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Stratified sampling ; The population of the ... more

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Convenience sampling ; There is no random ... more

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Systematic sampling ; The third individual is ... more

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Stratified sampling ; The four parts of the day ... more

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Simple random sampling ; The population consists ... more

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16, 41, 66, 91, 116, 141, 166, 191, 216, 241, 266... more

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763, 185, 377, 304, 626, 392, 315, 084, 565, 508... more

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12D-W, 09D-C, 10R-M, 04R-S ; Number the Democrats ... more

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2M-O, 8M-M, 12H-S, 09H-N, 12H-S, 06H-M ; Number ... more

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Simple random sampling: students are randomly ... more

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NoThe classes were not randomly selected. ; In ... more

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Stratified sampling with the two strata being ... more

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Cluster sampling with classes as the clusters. ; ... more

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Cluster sampling method with blocks as the ... more

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Systematic sampling can be used to monitor the ... more

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Simple random sampling method can be used to ... more

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Simple random sampling can be used to select the ... more

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In random sampling, the samples are randomly ... more

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Gallup is an A-analytics and advisory company ... more

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The firm generally uses multistage sampling ... more

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A closed question has a list of predetermined ... more

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A population part is said to be underrepresented ... more

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A bias is a phenomenon that is said to be present ... more

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Non-sampling errors are generated due to ... more

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No, the survey is still exposed to sampling bias, ... more

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The social survey uses a random sample of ... more

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The company is providing a reward of to the ... more

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To reduce response bias that occurs due to the ... more

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The frame includes all the households that have ... more

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Nonresponse bias has increased because the ... more

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Yes, subscriptions to DNC service will remove a ... more

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The response rate of individuals aged at least 70 ... more

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The non-sampling errors present in the study are ... more

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Some of the responses did not accurately reflect ... more

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The second question states the involvement of A, ... more

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The first question, which is not balanced, is ... more

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Do you like sports?Which team do you like from ... more

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Form the survey, it is observed that almost all ... more

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Sampling bias and nonresponse bias ; The frame ... more

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Elections: 1936Telephonic surveys were used for ... more

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It is difficult to include all the individuals of ... more

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Callbacks, reminders and incentives are the ... more

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A trained interviewer will have the skills of ... more

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Pre-surveys help in framing accurate answer ... more

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Advantages: The telephonic surveys taken in the ... more

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A high response rate ensures that the results ... more

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Order is important to reduce the response bias in ... more

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The CDs can be interpreted as compact discs or ... more

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Offering rewards would help in getting higher ... more

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Replication is the process of applying each type ... more

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In a single-blind experiment, only the ... more

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Completely randomized design ; Under completely ... more

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Blocking ; The first step in blocking is dividing ... more

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The experiment is mainly conducted to know whether... more

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; Assign the numbers to the volunteers from 1 to ... more

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; The engineer can perform the experiment with 45... more

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The engineer can perform a completely randomized ... more

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; The engineer can perform a randomized block ... more

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; The psychologist can perform a randomized block... more

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Population - Pregnant women.Experimental units - ... more

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Hawthorne effect is the change in behaviour of an ... more

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Completely randomized design:Select a sample of ... more

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Yes, the volunteers of an experiment are likely to... more

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Both stratified sampling and randomized block ... more

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Randomization is the prime tool for reducing the ... more

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Statistics is a branch of mathematics that deals ... more

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Population is the entire group of individuals that... more

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A sample is a set of individuals selected from the... more

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An observational study evaluates the value of the ... more

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A designed experiment measures the value of the ... more

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Cross-sectional study : Under this study, the ... more

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Determining the research objectiveGathering all ... more

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Sampling bias: It occurs when the sampling process... more

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Nonsampling errors occur due to error in data ... more

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Determine the problem that needs to be ... more

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QuantitativeDiscrete ; The number of AM sold is a ... more

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QuantitativeContinuous ; The weight in carats of ... more

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Qualitative ; The B-name is a qualitative variable... more

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The 1011 individuals included in the survey are ... more

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The total number of passes by player CJ represents... more

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Interval ; The birth year can be arranged in a ... more

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Nominal ; The marital status can be used to ... more

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Ordinal ; The stock rating can be ordered.The ... more

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Ratio ; The ratio of the values for the number of ... more

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The experimenter is simply observing the number of... more

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One group of patients was given an experimental ... more

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Cohort study ; The participants filled the ... more

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Convenience sampling ; The voters were not ... more

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Cluster sampling ; All the residential blocks in ... more

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Stratified sampling ; The population consists of ... more

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Systematic sampling ; Every tractor is selected.... more

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BCC, ATC, LTMD, NJ, SMDDS ; There are 21 companies... more

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6, 15, 24, 33, 42, 51, 60, 69, 78, 87, 96, 105, ... more

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04, 59, 93, 55, 25, 66, 96, 17, 51, 30, 18, 15, 20... more

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b, e, b, c, e, b, a, d, a, c, e, d, a, b, d, c, d... more

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A design in which the experimental units are ... more

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The randomized experiment could be used to assess ... more

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Randomization is used to distribute the effects of... more

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Collecting the data.Organizing and summarizing the... more

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The process of statistics includes identifying the... more

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QuantitativeContinuousRatio ; Time is a ... more

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Qualitative Ordinal ; The rating system is a ... more

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Quantitative variableDiscreteRatio ; The variable ... more

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Designed experimentLife of item B. ; In the study... more

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Observational studyWhether the person BB's 756th ... more

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Cross-sectional study collects data from the ... more

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In observational study, no attempts are made to ... more

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The control group provides a basis for comparison ... more

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Determine the problem that needs to be studied.... more

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Assign the numbers from 00 to 15 to the 15 places.... more

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Group D: 2595-D, 7372-D, 0169-D, 2832-D, 0941-D, ... more

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Items T corresponding to the numbers 1962, 1308, ... more

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10, 52, 94, 136, 178, 220, 262, 304, 346, 388, 430... more

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The experiment conducted using completely ... more

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A lurking variable is a factor that affects the ... more

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The sampling plan involves the following steps:... more

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The required questionnaire would include:What is ... more

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Summary of the responses in the questionnaire:The ... more

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The required experiment can be designed with the ... more

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The required report can be constructed using the ... more

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