Question
The following 2 questions (Q32 to Q33) are based on the following situation: The national average for the verbal section of the Graduate Record Exam
The following 2 questions (Q32 to Q33) are based on the following situation: The national average for the verbal section of the Graduate Record Exam (GRE) is 500 with a standard deviation of 100. A researcher uses a sampling distribution made up of samples of 100.
Q32: According to the Central Limit Theorem, what is the mean of the sampling distribution of means? A. 10
B. 50
C. 100
D. 500
Q33: According to the Central Limit Theorem, what is the standard error of the mean?
a. 10
b. 50
c. 100
d. 500
Q34: As you decrease the number of subjects in your sample, the calculated value of a t-test will
A. increase
B. decrease
C. remain the same
Q35: As you increase the true distance between the null and alternative hypotheses (1 - 0), the likelihood of rejecting the null hypothesis
A. increases
B. decreases
C. remains the same
Q36: Keeping everything else the same, if you were to increase your alpha level from .01 to .05, the likelihood of rejecting the null hypothesis
A. increases
B. decreases
C. remains the same
The following 4 questions (Q37 to Q40) are either "True" or "False"
Q37: Predicting the characteristics of an entire group, after having measured a small group, is the major goal of inferential statistics.
Q38: The single-most critical component of deciding whether you are to conduct a t-test versus a z-test for hypothesis testing is whether there is a ''.
Q39: Degrees of freedom for a single sample t-test is/are 'n-1'.
Q40: Degrees of freedom for a single sample z-test is/are 'n-1'
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