Which of the Following Is Not a Function of the T-Test

question 12

Multiple Choice

Which of the following is not a function of the t-test?

• A) To test whether a correlation coefficient is different from 0
• B) To test whether a regression coefficient b is different from 0
• C) To test whether group means are equal
• D) To test whether two group means are different

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Definitions:

Difference-In-Difference

An estimator that identifies the causal effect of a treatment, like a special promotion, by comparing the periods before and after the treatment between an experimental group and a control group. The second difference is designed to remove selection bias.

Price Change

A fluctuation in the market value of goods or services.

Lost Profits

The amount of money a business fails to earn due to disruptions, such as contractual breaches, acts of negligence, or other causes.

Expected Success

The anticipated probability or degree of achievement in a given venture or for a particular outcome.