You Are Interested in Determining the Difference in Two Population

question 82

Multiple Choice

You are interested in determining the difference in two population means.You select a random sample of 8 items from the first population and 8 from the second population and then compute a 95% confidence interval.The sample from the first population has an average of 12.2 and a standard deviation of 0.8.The sample from the second population has an average of 11.7 and a standard deviation of 1.0.Assume that the values are normally distributed in each population and that the population variances are approximately equal.The corresponding critical t value is ______.

• A) 1.753
• B) 1.761
• C) 2.120
• D) 2.131
• E) 2.145

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Definitions:

Line Segment

A part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints.

Buyers' Value

The maximum amount a purchaser is willing to pay for a good or service, reflecting the perceived utility or satisfaction from the purchase.

Price Comparison

The action of comparing prices of specific goods or services across different sellers or providers, aiming to find the most cost-effective option.

Line Segment

A part of a line that is bounded by two distinct endpoints, and contains every point on the line between its endpoints.