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Sixteen college students took a practice GRE test at the start and end of a home preparation course. What analysis would you suggest to see if there was a significant change in their quantitative scores? a. Z-test for a binomial proportion b. Student's t-test for paired observations c. Student's t-test for two independent groups d. one factor ANOVA

Sixteen college students took a practice GRE test at the start and end of a home preparation course. What analysis would you suggest to see if there was a significant change in their quantitative scores? a. Z-test for a binomial proportion b. Student's t-test for paired observations c. Student's t-test for two independent groups d. one factor ANOVA

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Sixteen college students took a practice GRE test at the start and end of a home preparation course. What analysis would you suggest to see if there was a significant change in their quantitative scores? a. Z-test for a binomial proportion b. Student's t-test for paired observations c. Student's t-test for two independent groups d. one factor ANOVA If the interaction in a two-factor ANOVA is statistically significant, this indicates that a. there are differences among the levels of the first factor. b. there are differences among the levels of the second factor. c. the effects of the different levels of the two factors are not additive. d. all of the above. Which of the following is NOT a null hypothesis in two-factor ANOVA? a. The means of the first factor are equal. b. The means of the second factor are equal. c. There is NO interaction between the two factors. d. There is interaction between the two factors. Which of the following tests does not involve comparing means? a. Paired t-test. b. Independent t-test. C. One Factor ANOVA. d. Bartlett's test. e. Tukey's HSD (honestly significant difference) test. The Bartlett's test compares what kind of statistical measure. a. Median. b. Variance. C. Mean. d. Mean Deviation.
Transcribed Image Text:Sixteen college students took a practice GRE test at the start and end of a home preparation course. What analysis would you suggest to see if there was a significant change in their quantitative scores? a. Z-test for a binomial proportion b. Student's t-test for paired observations c. Student's t-test for two independent groups d. one factor ANOVA If the interaction in a two-factor ANOVA is statistically significant, this indicates that a. there are differences among the levels of the first factor. b. there are differences among the levels of the second factor. c. the effects of the different levels of the two factors are not additive. d. all of the above. Which of the following is NOT a null hypothesis in two-factor ANOVA? a. The means of the first factor are equal. b. The means of the second factor are equal. c. There is NO interaction between the two factors. d. There is interaction between the two factors. Which of the following tests does not involve comparing means? a. Paired t-test. b. Independent t-test. C. One Factor ANOVA. d. Bartlett's test. e. Tukey's HSD (honestly significant difference) test. The Bartlett's test compares what kind of statistical measure. a. Median. b. Variance. C. Mean. d. Mean Deviation.
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