Statistical Tests Between the Means of Related Groups MCQs
Statistical Tests Between the Means of Related Groups MCQs
Our team has conducted extensive research to compile a set of Statistical Tests Between the Means of Related Groups MCQs. We encourage you to test your Statistical Tests Between the Means of Related Groups knowledge by answering these multiple-choice questions provided below.
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1: If a researcher reported for a one-tailed single-sample t-test that t(14) = 2.25, then _____.
A. P < 0.025
B. P < 0.05
C. P < 0.01
D. P < 0.001
2: When computing the t value, the sample size must be approximated by calculating the ______.
A. Pooled variance
B. Mean score
C. Standard deviation
D. Degrees of freedom
3: Which of the following is NOT an assumption of the t-test?
A. The data should be ordinal or nominal.
B. The population distribution of scores should be symmetrical.
C. The population mean (µ) is known, but the population standard deviation (σ) is not known.
D. The sample size is typically less than 30.
4: If the obtained value is greater than the critical value, what should be done?
A. Reject the null hypothesis
B. Set a higher p value
C. Accept the null hypothesis
D. Increase the sample size
5: For a single-sample t test with 18 subjects, the degrees of freedom are _____.
A. 17
B. 18
C. 16
D. Unable to be determined
6: If a researcher reported for a single-sample t-test that t(17) = 2.90, p< 0.02, how many subjects were there in the study?
A. 18
B. 20
C. 10
D. 9
7: The set of distributions that although symmetrical and bell-shaped, are NOT normally distributed is known as _____.
A. Student’s t distribution
B. Gosset’s t distribution
C. The z distribution
D. None of these
8: If a researcher reports a one-sample t-test with df = 24, how many individuals participated in this study?
A. 24
B. 25
C. 26
D. Cannot be determined from the information given
9: A parametric inferential statistical test of the null hypothesis for a single sample where the population variance is NOT known is the ______.
A. Z test
B. T test
C. Cohen’s d
D. Standard error of the mean
10: What happens to the t-distribution as the sample size increases?
A. The t-distribution appears less and less like a normal distribution.
B. The t-distribution appears more and more like a normal distribution.
C. The shape of the t-distribution is unaffected.
D. Becomes nearer to the true value of mu.
11: The number of scores in a sample that are free to vary represents ______.
A. The sample size
B. N
C. The degrees of freedom
D. None of these
12: Degrees of freedom (df) for the one-sample t-test is equal to _____.
A. N + 1
B. N - 1
C. N.
D. 1/N
Statistical Tests Between the Means of Related Groups MCQs
