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11.20 TV Hours A random survey was done at a small Lutheran college, and the students were asked how many hours a week they spent watching TV. They were also asked what class they were in (1 = Freshman, 2 Junior, 4 = Senior). The survey was = Sophomore, 3 = given only to psychology students. Minitab output is shown. a. Figure out the missing SS (sum of squares). b. Figure out MS class by dividing SS class (from part a) by DF class, and compare it with 8.9. c. Check the F-value by dividing MS class by MS Error. d. When MS factor (in this case MS class) is smaller than MS Error, what does that show about the F-value? Will it be more than 1 or less than 1? One-way ANOVA: TVHours versus class DF SS MS 3 ???? 8.9 106 3247.2 30.6 F Р 0.29 0.833 Source class Error Total 109 3273.8 Level N Mean 1234 27 5.537 23 6.870 33 5.909 27 5.648

11.20 TV Hours A random survey was done at a small Lutheran college, and the students were asked how many hours a week they spent watching TV. They were also asked what class they were in (1 = Freshman, 2 Junior, 4 = Senior). The survey was = Sophomore, 3 = given only to psychology students. Minitab output is shown. a. Figure out the missing SS (sum of squares). b. Figure out MS class by dividing SS class (from part a) by DF class, and compare it with 8.9. c. Check the F-value by dividing MS class by MS Error. d. When MS factor (in this case MS class) is smaller than MS Error, what does that show about the F-value? Will it be more than 1 or less than 1? One-way ANOVA: TVHours versus class DF SS MS 3 ???? 8.9 106 3247.2 30.6 F Р 0.29 0.833 Source class Error Total 109 3273.8 Level N Mean 1234 27 5.537 23 6.870 33 5.909 27 5.648

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
Problem 1P
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11.20 TV Hours A random survey was done at a small Lutheran college, and the students were asked how many hours a week they spent watching TV. They were also asked what class they were in (1 = Freshman, 2 Junior, 4 = Senior). The survey was = Sophomore, 3 = given only to psychology students. Minitab output is shown. a. Figure out the missing SS (sum of squares). b. Figure out MS class by dividing SS class (from part a) by DF class, and compare it with 8.9. c. Check the F-value by dividing MS class by MS Error. d. When MS factor (in this case MS class) is smaller than MS Error, what does that show about the F-value? Will it be more than 1 or less than 1? One-way ANOVA: TVHours versus class DF SS MS 3 ???? 8.9 106 3247.2 30.6 F Р 0.29 0.833 Source class Error Total 109 3273.8 Level N Mean 1234 27 5.537 23 6.870 33 5.909 27 5.648
Transcribed Image Text:11.20 TV Hours A random survey was done at a small Lutheran college, and the students were asked how many hours a week they spent watching TV. They were also asked what class they were in (1 = Freshman, 2 Junior, 4 = Senior). The survey was = Sophomore, 3 = given only to psychology students. Minitab output is shown. a. Figure out the missing SS (sum of squares). b. Figure out MS class by dividing SS class (from part a) by DF class, and compare it with 8.9. c. Check the F-value by dividing MS class by MS Error. d. When MS factor (in this case MS class) is smaller than MS Error, what does that show about the F-value? Will it be more than 1 or less than 1? One-way ANOVA: TVHours versus class DF SS MS 3 ???? 8.9 106 3247.2 30.6 F Р 0.29 0.833 Source class Error Total 109 3273.8 Level N Mean 1234 27 5.537 23 6.870 33 5.909 27 5.648
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