Questions A high school principal wanted to know if there was a difference in absences for 9th grade, 10 grade, 11th grade, or 12th grade among students with less than a 2.0 GPA. She took a random ample of n 5 students from each grade and compared absences among the four grades using ANOVA, The data are below: %3D 9th grade 10th grade 11th grade 12th grade 10 17 15 12 8. 16 6 91

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.7: Probability And Odds
Problem 2C
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Questions
A high school principal wanted to know if there was a difference in absences for 9th grade, 10th
grade, 11th grade, or 12th grade among students with less than a 2.0 GPA. She took a random
sample of n = 5 students from each grade and compared absences among the four grades using
ANOVA. The data are below:
%3D
9th grade 10th grade 11th grade
12th grade
10
17
15
9.
12
8
16
11
11
12
7
11
12
14
15
12
2.
Calculate the Sum of Squares Between Groups (SSBG)
3.
Calculate Sum of Squares Within Groups (SSWG)
4.
Calculate Mean Square Between Group (MSBG)
14
6
Transcribed Image Text:Questions A high school principal wanted to know if there was a difference in absences for 9th grade, 10th grade, 11th grade, or 12th grade among students with less than a 2.0 GPA. She took a random sample of n = 5 students from each grade and compared absences among the four grades using ANOVA. The data are below: %3D 9th grade 10th grade 11th grade 12th grade 10 17 15 9. 12 8 16 11 11 12 7 11 12 14 15 12 2. Calculate the Sum of Squares Between Groups (SSBG) 3. Calculate Sum of Squares Within Groups (SSWG) 4. Calculate Mean Square Between Group (MSBG) 14 6
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