measured
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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Topic Video
Question
- A clinical trial is run to assess the effects of different forms of regular exercise on HDL levels in persons between the ages of 19 and 29. Participants in the study are randomly assigned to one of three exercise groups—weight training, aerobic exercise, or stretching/yoga—and instructed to follow the program for 8 weeks. Their HDL levels are measured after 9 weeks and are summarized below.
Exercise Group |
N |
Mean |
Std Dev |
Weight Training |
20 |
49.7 |
10.2 |
Aerobic Exercise |
20 |
43.1 |
11.1 |
Stretching/Yoga |
20 |
57.0 |
12.5 |
- Complete the following ANOVA table.
|
|
|
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Source of Error |
Sums of Squares |
df |
Mean Squares |
F |
||||||
Between
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|
|
|
|
||||||
Within |
6157.32 |
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Total
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|
||||||
1.Write the hypotheses to be tested.
2. Write the decision rule. Please find the F for the closest df
3. What is the conclusion?
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