A psychologist would like to examine the effects of different testing methods on the final performance of college students. One group gets regular quizzes, one group gets three large exams, and the third group only gets a final exam. At the end of the course, the psychologist interviews each student to get a measure of the student's overall knowledge of the material. a. Use a= .05. Conduct the Four Steps for Hypothesis Testing. Then, complete the table below with all the required calculations. b. Are the data sufficient to conclude that thier is a significant difference among the three methods? Write your answer in the form of a sentence. c. Conduct a Tukey's HSD to determine if there is a sigificant difference between any of the 3 groups. Source df MS Between Treatments F Within Treatments Total Final Only TTT- Quizzes Exams 4 164 - יאע ,36-G 6 4 2 3 5 7 2 2 T=20 T=12 T=4 SS=10 SS=10 SS-4
A psychologist would like to examine the effects of different testing methods on the final performance of college students. One group gets regular quizzes, one group gets three large exams, and the third group only gets a final exam. At the end of the course, the psychologist interviews each student to get a measure of the student's overall knowledge of the material. a. Use a= .05. Conduct the Four Steps for Hypothesis Testing. Then, complete the table below with all the required calculations. b. Are the data sufficient to conclude that thier is a significant difference among the three methods? Write your answer in the form of a sentence. c. Conduct a Tukey's HSD to determine if there is a sigificant difference between any of the 3 groups. Source df MS Between Treatments F Within Treatments Total Final Only TTT- Quizzes Exams 4 164 - יאע ,36-G 6 4 2 3 5 7 2 2 T=20 T=12 T=4 SS=10 SS=10 SS-4
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
Transcribed Image Text:5. A psychologist would like to examine the effects of different testing methods on the final performance
of college students. One group gets regular quizzes, one group gets three large exams, and the third
group only gets a final exam. At the end of the course, the psychologist interviews each student to get
a measure of the student's overall knowledge of the material.
a. Use a= .05. Conduct the Four Steps for Hypothesis Testing. Then, complete the table
below with all the required calculations.
b. Are the data sufficient to conclude that thier is a significant difference among the three
methods? Write your answer in the form of a sentence.
c. Conduct a Tukey's HSD to determine if there is a sigificant difference between any of the 3
groups.
Source
Between Treatments
S
df
MS
Within Treatments
Total
TTT
Quizzes
Exams
Final Only
4
1
G-36, ΣΧ -164
4
2
3
5
7
2
2
T=20
T=12
T=4
SS=10
SS=10
SS=4
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