A professor has a class with four recitation groups. Each section has 7 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-3 Group-4 Group-1 Group-2 91.2 68.1 63.1 39.5 73.5 61.5 59.5 48 73.1 47.4 65.3 43.6 58.8 58 58.4 39.8 53 56.1 59.7 40.2 66.3 58.3 77.3 66.5 57.3 67.4 62.4 58 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 Between Within df MS F-ratio P-value 3 24 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. Q =

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A professor has a class with four recitation groups. Each section has 7 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-3 Group-4
Group-1
Group-2
91.2
68.1
63.1
39.5
73.5
61.5
59.5
48
73.1
47.4
65.3
43.6
58.8
58
58.4
39.8
53
56.1
59.7
40.2
66.3
58.3
77.3
66.5
57.3
67.4
62.4
58
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
Between
Within
df
MS
F-ratio P-value
3
24 ✓
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.
Q =
Transcribed Image Text:A professor has a class with four recitation groups. Each section has 7 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-3 Group-4 Group-1 Group-2 91.2 68.1 63.1 39.5 73.5 61.5 59.5 48 73.1 47.4 65.3 43.6 58.8 58 58.4 39.8 53 56.1 59.7 40.2 66.3 58.3 77.3 66.5 57.3 67.4 62.4 58 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 Between Within df MS F-ratio P-value 3 24 ✓ 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. Q =
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