State the Proper Forms of Hypotheses for Two-Sample Hypothesis Tests

question 4

Multiple Choice

State the proper forms of hypotheses for two-sample hypothesis tests.
-Which of the following Excel tools is used for a two-sample test for equality of variances?

• A) Excel F-test Two-sample for variances
• B) Excel z-test: Two-sample for means
• C) Excel t-test: Two-sample assuming unequal variances
• D) Excel t-test: Two-sample assuming equal variances

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Definitions:

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Expensive Brand

A brand associated with high cost, often linked to high quality, luxury, and status.

Experimental Group

In research, a group of subjects who are exposed to the variable under investigation, allowing researchers to assess the effect of this variable.

Control Group

A group in an experiment or study that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.