According to the Text, a Good Statistician Examines the Data

question 77

Multiple Choice

According to the text, a good statistician examines the data points before proceeding and questions causality after the statistical analysis.What would that statistician be doing during each of these two phases of a regression analysis?

• A) Before the test, examine for linearity, and after the test, consider confounding variables that might help to understand cause.
• B) Before the test, examine for errors in the data, and after the test, conjecture about possible causes using the ABC model.
• C) Before the test, check for outliers, and after the test, run an experiment to reveal causal relations.
• D) Before the test, create appealing visual displays of data, and after the test, create theories about causation.

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