A professor has a class with four recitation groups. Each section has 16 students. Determine whether or not the section choice (different TAS and different days of the week) has any relationship with how students performed on the test. Group-1 67.1 54.1 67.8 70.8 71.4 49.5 60.6 62.9 55.4 57.5 55.7 45.6 65 68.5 74.9 49.1 Group-2 Group-3 73 59.4 68.3 44 69.1 65.5 80.5 54.4 67.7 39.5 91.2 81.7 78 48.7 85.2 74.8 63.2 68.8 69.4 64.6 76.4 51 82.9 70.3 80.7 52.1 68.6 69.9 41.5 71.4 74.5 60.8 Group-4 71.7 67 49.7 56.6 53 65.4 62.8 52.1 55.4 79.2 66.5 65.5 70.9 71.6 57.4 71.2 First, run an ANOVA with this data and fill in the summary table. (Report P-values accurate to 4 decimal places and all other values accurate to 3 decimal places.) Source SS df MS F-ratio P-value Between Within To follow-up, the professor decides to use the Tukey-Kramer method to test all possible pairwise contrasts. What is the Q critical value for the Tukey-Kramer critical range (alpha=0.05)? Use the table below to locate the Q critical value to 4 decimal places.
A professor has a class with four recitation groups. Each section has 16 students. Determine whether or not the section choice (different TAS and different days of the week) has any relationship with how students performed on the test. Group-1 67.1 54.1 67.8 70.8 71.4 49.5 60.6 62.9 55.4 57.5 55.7 45.6 65 68.5 74.9 49.1 Group-2 Group-3 73 59.4 68.3 44 69.1 65.5 80.5 54.4 67.7 39.5 91.2 81.7 78 48.7 85.2 74.8 63.2 68.8 69.4 64.6 76.4 51 82.9 70.3 80.7 52.1 68.6 69.9 41.5 71.4 74.5 60.8 Group-4 71.7 67 49.7 56.6 53 65.4 62.8 52.1 55.4 79.2 66.5 65.5 70.9 71.6 57.4 71.2 First, run an ANOVA with this data and fill in the summary table. (Report P-values accurate to 4 decimal places and all other values accurate to 3 decimal places.) Source SS df MS F-ratio P-value Between Within To follow-up, the professor decides to use the Tukey-Kramer method to test all possible pairwise contrasts. What is the Q critical value for the Tukey-Kramer critical range (alpha=0.05)? Use the table below to locate the Q critical value to 4 decimal places.
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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Transcribed Image Text:A professor has a class with four recitation groups. Each section has 16 students. Determine
whether or not the section choice (different TAS and different days of the week) has any relationship
with how students performed on the test.
Group-1
67.1
54.1
67.8
70.8
71.4
49.5
60.6
62.9
55.4
57.5
55.7
45.6
65
68.5
74.9
49.1
Group-2 Group-3
73
59.4
68.3
44
65.5
54.4
39.5
81.7
48.7
74.8
68.8
64.6
51
70.3
52.1
69.9
71.4
60.8
Within
69.1
80.5
67.7
91.2
78
85.2
63.2
69.4
76.4
82.9
80.7
68.6
41.5
74.5
Group-4
71.7
67
49.7
56.6
53
65.4
62.8
52.1
55.4
79.2
66.5
65.5
70.9
71.6
57.4
71.2
First, run an ANOVA with this data and fill in the summary table.
(Report P-values accurate to 4 decimal places and all other values accurate to 3 decimal places.)
Source
SS
df
MS
F-ratio
P-value
Between
To follow-up, the professor decides to use the Tukey-Kramer method to test all possible pairwise
contrasts.
What is the Q critical value for the Tukey-Kramer critical range (alpha=0.05)?
Use the table below to locate the Q critical value to 4 decimal places.
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