You Are Interested in Determining the Difference in Two Population

question 65

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 from the table is ______.

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

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Priming

A technique used in psychology and media studies where exposure to certain stimuli influences responses to subsequent related or unrelated stimuli.

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