If the Hypothesis Test You Are Conducting Is a Two-Tailed

question 53

Multiple Choice

If the hypothesis test you are conducting is a two-tailed test, which of the following is a possible step that you could take to increase the power of the test?

• A) Reduce the sample size
• B) Increase alpha
• C) Increase beta
• D) Use the t-distribution

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Definitions:

Average Prices

The mean cost calculated by dividing the total sum of all prices by the number of prices in the dataset.

Supermarkets

Large retail market places typically offering a wide variety of goods including food, clothing, and household items.

P-values

An indication of the strength of the evidence against the null hypothesis, represented as a probability that measures the likelihood of the observed outcomes under the assumption that the null hypothesis is valid.

Matched Pairs

A study design where subjects are paired based on certain characteristics, and one from each pair is assigned to the treatment group and the other to the control.