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ReviewQuiz4_Chapter9~11_0401_Spring11

# ReviewQuiz4_Chapter9~11_0401_Spring11 - Name ID April 1...

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Name: ________________________ April 1, 2011 ID: ___________________ 1 ReviewQuiz4_Chapter9~11 Multiple Choice ____ 1. In general, an increase in variance for the sample of difference scores will cause ____. a. a decrease in the standard error and a decrease in the value of t b. a decrease in the standard error and an increase in the value of t c. an increase in the standard error and a decrease in the value of t d. an increase in the standard error and an increase in the value of t ____ 2. What is the sample variance and the estimated standard error for a sample of n = 4 scores with SS = 300? a. s 2 = 10 and s M = 20 b. s 2 = 100 and s M = 5 c. s 2 = 100 and s M = 20 d. s 2 = 10 and s M = 5 ____ 3. A hypothesis test produces a t statistic of t = 2.14. If the researcher is using a two-tailed test with α = .05 for a one sample t test, how large does the sample have to be in order to reject the null hypothesis? a.

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ReviewQuiz4_Chapter9~11_0401_Spring11 - Name ID April 1...

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