A recent study indicates that simply giving college students a pedometer can result increased walking (Jackson & Howton, 2008). Students were given pedometers for a 12- week period and asked to record the average number of steps per day during weeks 1, 6, and 2. The following data are similar to the results obtained in the study.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
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Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
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  1. A recent study indicates that simply giving college students a pedometer can result increased walking (Jackson & Howton, 2008). Students were given pedometers for a 12- week period and asked to record the average number of steps per day during weeks 1, 6, and 2. The following data are similar to the results obtained in the study.

 

Participant

1 week

6 weeks

12 weeks

P

 

A

6

8

10

24

 

B

4

5

6

15

 

C

5

5

5

15

G= 72

D

1

2

3

6

X²= 400

E

0

1

2

3

 

F

2

3

4

9

 

 

T= 18

T= 24

T= 30

 

 

 

SS= 28

SS= 32

SS= 40

 

 

a) Use a repeated measures ANOVA with = .05 to determine whether the mean number of steps changes significantly from one week to another.

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