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StatisticsStatistics for The Behavioral Sciences (MindTap Course List)Two separate samples receive different treatments. After treatment, the first sample has n = 9 with S S = 462 , and the second has n = 7 with S S = 420 . a. Compute the pooled variance for the two samples. b. Calculate the estimated standard error for the sample mean difference. c. If the sample mean difference is 10 points, is this enough to reject the null hypothesis using a two-tailed test with α = .05 ?
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Two separate samples receive different treatments. After treatment, the first sample has n = 9 with S S = 462 , and the second has n = 7 with S S = 420 . a. Compute the pooled variance for the two samples. b. Calculate the estimated standard error for the sample mean difference. c. If the sample mean difference is 10 points, is this enough to reject the null hypothesis using a two-tailed test with α = .05 ?

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Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781305504912
BuyFind

Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781305504912

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Chapter
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Problem 2P
Problem 3P
Problem 4P
Problem 5P
Problem 6P
Problem 7P
Problem 8P
Problem 9P
Problem 10P
Problem 11P
Problem 12P
Problem 13P
Problem 14P
Problem 15P
Problem 16P
Problem 17P
Problem 18P
Problem 19P
Problem 20P
Problem 21P
Problem 22P
Problem 23P
Chapter 10, Problem 6P
Textbook Problem

Two separate samples receive different treatments. After treatment, the first sample has n = 9 with S S = 462 , and the second has n = 7 with S S = 420 .

a. Compute the pooled variance for the two samples.

b. Calculate the estimated standard error for the sample mean difference.

c. If the sample mean difference is 10 points, is this enough to reject the null hypothesis using a two-tailed test with α = .05 ?

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Statistics for The Behavioral Sciences (MindTap Course List)
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