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Questions and Answers
Which of the following is true for 2k experiments?
Which of the following is true for 2k experiments?
- Interaction effects can be estimated (correct)
- The size of the experiment doubles with each added variable
- Main effect estimates change based on which variables are in the final model
- Sample size is mainly about the number of data points in each combination of variables
What does the sample size in 2k experiments primarily depend on?
What does the sample size in 2k experiments primarily depend on?
- The number of interaction effects being estimated
- The total number of data points in the experiment
- The number of variables in the experiment
- The number of data points in each combination of variables (correct)
Which of the following is not true for main effect estimates in 2k experiments?
Which of the following is not true for main effect estimates in 2k experiments?
- Main effect estimates are independent of other variables
- Main effect estimates quantify the overall effect of a variable (correct)
- Main effect estimates are affected by the levels of the variables
- Main effect estimates change based on which variables are in the final model
Which discipline concerns the collection, organization, analysis, interpretation, and presentation of data?
Which discipline concerns the collection, organization, analysis, interpretation, and presentation of data?
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What is the purpose of representative sampling in statistics?
What is the purpose of representative sampling in statistics?
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What are populations in statistics?
What are populations in statistics?
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What do statisticians do when census data cannot be collected?
What do statisticians do when census data cannot be collected?
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What does statistics deal with in terms of data?
What does statistics deal with in terms of data?
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