1. 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: 9th grade 10th grade 11th grade 12th grade olve a dificalt trssful the The data 10 17 15 9. 12 8. 16 11 11 12 7 11 14 12 7 14 15 12 A) Calculate the degrees of freedom Between Groups (dfBG) B) Calculate the degrees of freedom Within Group (dfwG) C) Calculate the Sum of Squares total (SStot) 6

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A: The sample mean is, x¯=∑xn=50+60+55+58+725=2955=59 The sample mean is 59.

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Q: A high school principal wanted to know if there was a difference in absences for 9th grade, 10th…

A: 9th grade 10th grade 11th grade 12th grade   6 10 17 15   9 12 8 16   6 11 11 12   7 11 14…

Q: 9th grade 10th grade 11th grade 12th grade 6 9 6 7 7 10 12 11 11 14 17 8 11 14 15 15…

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Q: A high school principal wanted to know if there was a difference in absences for 9th grade, 10th…

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Q: Use the following to answer questions 2-12.   A high school principal wanted to know if there was…

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Q: 1)Calculate the Sum of Squares total (SStot) 2) Calculate the Sum of Squares Between Groups (SSBG)…

A: The data shows the absences for 9th grade, 10th grade, 11th grade, or 12th grade among students with…

Q: A local pasty company ran a taste test with 3 different pasty recipes. The study consisted of 60…

A: Choice of Statistical Test depends on several factors.

Q: A high school principal wanted to know if there was a difference in absences for 9th grade, 10th…

A: Given data: 9th grade 10th grade 11th grade 12th grade 6 10 17 15 9 12 8 16 6 11 11 12 7…

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