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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Definitions:

Activity Times

The duration required to complete specific tasks or processes in project planning and management.

Process Control

The practice of monitoring and controlling a manufacturing process to ensure that it operates at its desired performance criteria, using feedback and control mechanisms.

Information Technology

The use of computers, storage, networking, and other physical devices, infrastructure, and processes to create, process, store, secure, and exchange all forms of electronic data.

Process Chart

Graphic representation that depicts a sequence of steps for a process.