Mathematics, 26.09.2019 23:30 jose477
12. a professor obtains sat scores and freshman grade point averages (gpas) for a group of n = 15 college students. the sat scores have a mean of m = 580 with ss = 22,400, and the gpas have a mean of 3.10 with ss = 1.26, and sp = 84. a. find the regression equation for predicting gpa from sat scores. b. what percentage of the variance in gpas is accounted for by the regression equation? (compute the correlation, r, then find r2.) c. does the regression equation account for a significant portion of the variance in gpa? use α = .05 to evaluate the f-ratio. gravetter, frederick j. statistics for the behavioral sciences (p. 556). cengage learning. kindle edition.
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Mathematics, 21.06.2019 15:30
Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?
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Mathematics, 21.06.2019 23:00
*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.
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12. a professor obtains sat scores and freshman grade point averages (gpas) for a group of n = 15 co...
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