Try Analysis of Variance in Statistics MCQs
Try Analysis of Variance in Statistics MCQs
Answer these 20 Try Analysis of Variance in Statistics MCQs and assess your grip on the subject of Try Analysis of Variance in Statistics.
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1: Which of the following is NOT TRUE of the analysis of variance?
A. It has a higher rate of Type I error than the two-sample t-tests.
B. It determines whether significant differences exist in an experiment.
C. It is used for experiments with two or more sample means.
D. It is a parametric procedure.
2: Which of the following is one of the assumptions we make when we do a one-way, between-subjects ANOVA?
A. Each condition contains the same number of scores.
B. The populations represented have significantly different variances.
C. All conditions of the single-independent variable contain independent samples.
D. The means of the populations represented are homogeneous.
3: If a randomized ANOVA produced MSbetween = 20 and MSwithin = 5, then the F-ratio would be _____.
A. 20/5 = 4.00
B. 5/20 = 0.025
C. 20/25 = 0.80
D. 25/5 = 5.00
4: Differences in scores produced by the independent variable corresponds with which of the following ANOVA terms?
A. Treatment effect
B. Mean square
C. Factor
D. Level
5: The independent variable matches which of the following ANOVA terms?
A. Treatment effect
B. Mean square
C. Factor
D. Level
6: An educational psychologist is interested in determining whether attitudes toward school change with age. She randomly selects 30 seventh-graders, 30 ninth-graders, and 30 eleventh-graders and administers a “Do you like school?” test. How many factors does this experiment have?
A. 3
B. 30
C. 90
D. 1
7: The variability within groups is due to ______.
A. Chance
B. The grouping factor
C. The F ratio
D. The level of the dependent variable
8: Which of the following is the desired outcome of an ANOVA?
A. Our group variances are significantly different.
B. Our group variances are approximately equal.
C. Our group means are significantly different.
D. Our means are approximately equal.
9: ANOVA is like an extension of the _____.
A. T-test
B. F-test
C. Correlation
D. Regression
10: When interpreting F (2, 20) = 3.49, p < 0.05, what is the within groups df?
A. 23
B. 20
C. 4
D. 2
11: When interpreting F (2, 20) = 3.49, p < 0.05, what is the between groups df?
A. 23
B. 20
C. 4
D. 2
12: ANOVA uses the _____.
A. F-test
B. T-test
C. P-test
D. R-test
13: The variability between groups is due to ______.
A. Chance
B. The grouping factor
C. The F ratio
D. The level of the dependent variable
14: The term “condition” matches which of the following ANOVA terms?
A. Treatment effect
B. Mean square
C. Factor
D. Level
15: Which of the following is the formula for computing the F statistic?
A. F = MSbetween/MSwithin
B. F = SSbetween/SSwithin
C. F = MSwithin/MSbetween
D. F = SSwithin/SSbetween
16: Factorial analysis of variance tests the means of more than one ____variable.
A. Dependent
B. Constant
C. Independent
D. All of these
17: Analysis of variance (or ANOVA) has only ____ independent variable
A. One
B. Two
C. Three
D. Multiple
18: Analysis of variance is ____ way
A. One
B. Two
C. Three
D. Multiple
19: A research design used to explore more than one treatment variable is called
A. Simple design
B. Factorial design
C. Variance design
D. Complicated design
20: An analysis of variance summary is source table that lists sources of variance
A. True
B. False
21: Post hoc is referring to tests done to determine the true source of a difference among three or more groups.
A. True
B. False
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