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ze that people in stats classes are happier than people in all other classes. You compare happiness sc Statistics, Developmental Psychology, and Social Psychology. In Statistics there are 15 students and th with a standard deviation of 9.78. In Developmental Psychology there are 15 students and the mean ha ndard deviation of 2.92. In Social Psychology there are 15 students with mean rating of 17.7 and sta of squares between groups is equal to 384. The sum of squares within groups is equal to 2461. -ratio? Round to the nearest hundredths place (two decimal places)

ze that people in stats classes are happier than people in all other classes. You compare happiness sc Statistics, Developmental Psychology, and Social Psychology. In Statistics there are 15 students and th with a standard deviation of 9.78. In Developmental Psychology there are 15 students and the mean ha ndard deviation of 2.92. In Social Psychology there are 15 students with mean rating of 17.7 and sta of squares between groups is equal to 384. The sum of squares within groups is equal to 2461. -ratio? Round to the nearest hundredths place (two decimal places)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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QUESTION 11 You hypothesize that people in stats classes are happier than people in all other classes. You compare happiness scores in three of your classes: Statistics, Developmental Psychology, and Social Psychology. In Statistics there are 15 students and the mean happiness rating is 23.1 with a standard deviation of 9.78. In Developmental Psychology there are 15 students and the mean happiness rating is 24.4 with a standard deviation of 2.92. In Social Psychology there are 15 students with a mean rating of 17.7 and standard deviation of 8.46. The sum of squares between groups is equal to 384. The sum of squares within groups is equal to 2461. What is the F-ratio? Round to the nearest hundredths place (two decimal places).
Transcribed Image Text:QUESTION 11 You hypothesize that people in stats classes are happier than people in all other classes. You compare happiness scores in three of your classes: Statistics, Developmental Psychology, and Social Psychology. In Statistics there are 15 students and the mean happiness rating is 23.1 with a standard deviation of 9.78. In Developmental Psychology there are 15 students and the mean happiness rating is 24.4 with a standard deviation of 2.92. In Social Psychology there are 15 students with a mean rating of 17.7 and standard deviation of 8.46. The sum of squares between groups is equal to 384. The sum of squares within groups is equal to 2461. What is the F-ratio? Round to the nearest hundredths place (two decimal places).
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