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Parametric And Non Parametric Tests Quiz 2 (19 MCQs)

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1. Muscle strength was measured on the right and left hands of a random sample of 15 left-handed men and the difference (left-right) was found. The alternative hypothesis is one-sided (left hand stronger). The resulting t-statistic was 1.80.
2. The Mann-Whitney U test is preferred to a t-test when
3. In order to perform ANOVA, three sample data was collected. Sample 1-Mean=4, n=20; Sample2-Mean=8, n=10; Sample 3-Mean=9, n=5. Find the value of grand Mean, MS(Between)
4. Following information from ANOVA table is given to you. Using this information calculate the F-ratio:Degree of freedom for Between sample is 3, Total degree of freedom of Between and Within is 29, Total Sum of Squares of Between and Within sample is 57, Sum of Squares of Within sample is 35
5. A pre post study gave the following results:Pre-study-4, 4, 5, 4.6. Its corresponding Post study values are-3.5, 4.5, 4, 3.9. What is the sum of Positive ranks
6. What test we can use to find the difference between two groups of scores from an independent-measures design?
7. If the true means of the samples are equal, then MS(between)/MS(within) should be:
8. The necessary condition required for using a Paired sample t test is
9. The following are conditions in performing parametric test for two or more groups except:
10. The following are true regarding Pearson Product-Moment Correlation Test except:
11. Following information from ANOVA table is given to you. Using this information calculate the F-ratio:Total degree of freedom of Between and Within is 11, Total Sum of Squares of Between and Within sample is 21.4, Sum of Squares of Within sample is 2.7, Mean of Squares of Within sample is 0.31
12. In testing for the difference between two populations, it is possible to use
13. Two students compared two brands of chips, Frito Lays and Golden Flakes, to see which company gives you more for your money. Five bags of each brand were measured with a very accurate scale. Use the Mann Whitney test to see if there are any significant differences between the two brands in the amount of product they put in their bags. Frito Lays:35.3, 35.4, 35.8 35.9, 35.9. Golden Flake:35.3, 37.8, 38.8, 38.1, 42.5. The bags that contained 35.9 grams will receive a rank of:
14. Three brands of coffee are rated for taste on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations. The appropriate test to determine if three brand taste equally good is
15. It is known that for right-handed people, the dominant (right) hand tends to be stronger. For left-handed people who live in a world designed for right-handed people, the same may not be true. To test this, muscle strength was measured on the right and left hands of a random sample of 15 left-handed men and the difference (left-right) was found. The alternative hypothesis is one-sided (left hand stronger). The resulting t-statistic was 1.80. This is an example of:
16. Wilcoxon Rank-Sum test can be of
17. Higher the value of computed t statistic,
18. Which of the following describe two-way ANOVA?
19. Used to measure the degree of relationship between two sets of data
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