Exam_2_Example_Test_Qs

Exam_2_Example_Test_Qs - 1 Chapter 7 Exam 2 Random Example...

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11/9/10 1 Exam 2 Random Example Questions 1: Chapter 7 A sample of n = 25 scores from a population with known parameters gives a standard error of 2 points. What is the standard deviation for the population from which the sample was obtained? a. 2 b. 2/5 c. 10 d. 50 2: Chapter 8 A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If a hypothesis test is used to evaluate the effect of the treatment, which combination of factors is most likely to result in rejecting the null hypothesis? a. a sample mean near 80 for a small sample b. a sample mean near 80 for a large sample c. a sample mean much different than 80 for a small sample d. a sample mean much different than 80 for a large sample 3: Chapter 9 A sample of n = 25 scores has a mean of M = 40 and a variance of s 2 = 100. What is the estimated standard error for the sample mean? a. 4 b. 2 c. 2 d. 1

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11/9/10 2 4: Chapter 10 An independent-measures research study uses two samples, one with n = 10 and one with n = 12, to
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Exam_2_Example_Test_Qs - 1 Chapter 7 Exam 2 Random Example...

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