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Question 2 If sp2 is = 81, n = 9 and 522 = 27, n2 = 9, what is s(M1 - M2)? O a 12 O b. 4.73 O c. 6 3.46 Question 3 If we obtain anr 2 of 0.09, what can we expect our Cohen's d to be? .8 .5 Cannot be determined. 2 O Question 4 If our t-statistic is 3.00, and our df = 10, what is our...
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Question 8 Given the following 2 sets of data, what would the degrees of freedom be for an independent measures t-test? 12, 4, 9, 0, 1,5 2, 4, 8, 16,3 Question 9 4 points Save Answer Shannon Louise wants to see if dunking your face in cold water before a test causes a difference in test scores. She samples two groups, where one group will dunk their face into water before beginning...
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In an analysis of variance, the MS between and MS within represent the means of the squared variability between and within conditions. True • False QUESTION 14 If an analysis of variance produces SS between 30 and MS between 10, then the ANOVA is comparing three treatment conditions. True False QUESTION 15 Compared to an independent measures design a repeated measures study is more likely to find a statistically significant effect because it reduces the contribution of...
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Question 14 1 points Save Answer Pile et al. (1974) concluded that "reading an hour a day significantly increased high school student SAT scores, relative to a control that just played video games an hour a day, (13) - 4.90, p < .05, one tailed." What was their t-critical for the region of rejection Question 14 of 24 Question 15 If we are given the following information: M - 92,...
25 por QUESTION 4 Assuming that other factors are held constant, which of the following sets of data is most likely to produce a statistically significant value for the repeated measures t statistici n 15 and MD-2 On-15 and MD - 4 On - 30 and MD - 2 On - 30 and MD - 4 25 QUESTION 5 For which of the following situations would a repeated-measures research design be appropriate? comparing mathematical skills for girls versus boys at...
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revision question...
7. Which of the following is BEST graphical method for describing categorical data? A. Bar chart B. Histogram C.Box-plot D. Pareto chart 8. Which of the following is NOT property of the variance? A. It measures the amount of spread or variability of observation from mean B. Standard deviation is square root of variance C. Normally used for describing measure of dispersion during reporting research data D. It is...