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jmoseley
Quartz | Level 8

Simple linear regression SAS Codes

 

A researcher hypothesizes that undergraduate students who are satisfied with their lives will sleep less than those who are not satisfied. To test this hypothesis, she selects a sample of undergraduate students and asks them to maintain a “sleep log” (Drowsy, 1977), keeping track of the number of hours they sleep during each 24-hour period. These logs are maintained for two weeks. At the end of the two-week period, each participant completes the Satisfaction with Life Scale (Giggle & Smirk, 1969), a reliable, validated measure of general satisfaction with life.

 

These are the data the researcher obtained:

 

Participant

Mean Hours of Sleep

SWL Score

01

7.5

23

02

8.3

19

03

9.5

16

04

8.5

20

05

6.0

40

06

8.0

22

07

7.3

30

08

7.0

25

09

8.0

30

10

6.5

36

 

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