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8 Questions

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2k Experiments

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Questions and Answers

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?

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?

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?

Statistics Signup and view all the answers

What is the purpose of representative sampling in statistics?

To extend inferences from the sample to the population Signup and view all the answers

What are populations in statistics?

Groups of people or objects Signup and view all the answers

What do statisticians do when census data cannot be collected?

Collect data through surveys and experiments Signup and view all the answers

What does statistics deal with in terms of data?

Every aspect of data Signup and view all the answers