Use the Following to Answer Questions

question 29

Multiple Choice

Use the following to answer questions :
A sample of 20 from a population produced a mean of 66.0 and a standard deviation of 10.0.A sample of 25 from another population produced a mean of 58.6 and a standard deviation of 13.0.Assume that the two populations are normally distributed and the standard deviations of the two populations are equal.
The null hypothesis is that the two population means are equal,while the alternative hypothesis is that the two population means are different.The significance level is 5%.
-What are the critical values of t for the hypothesis test?

• A)-2.014 and 2.014
• B)-2.017 and 2.017
• C)-1.681 and 1.681
• D)-1.679 and 1.679

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Definitions:

Strong Acids

Highly corrosive acids that completely dissociate in water, characterized by a high hydrogen ion concentration.

Track Inventory

The process of monitoring and managing items in stock to ensure adequate supply without overstocking.

Inventory Card

A document used to track information about an item in inventory, including description, quantity, and location.

Adhesive Flags

Small pieces of paper or plastic that are sticky on one side and are used for marking pages, annotating documents, or organizing information by color-coding.