24. Research has shown that people are more likely to show dishonest and self-interested behaviors in dark- ness than in a well-lit environment (Zhong, Bohns, & Gino, 2010). In one experiment, participants were given a set of 20 puzzles and were paid $0.50 for each one solved in a 5-minute period. However, the participants reported their own performance and there was no obvious method for checking their hon- esty. Thus, the task provided a clear opportunity to cheat and receive undeserved money. One group of participants was tested in a room with dimmed light- ing and a second group was tested in a well-lit room. The reported number of solved puzzles was recorded for each individual. The following data represent results similar to those obtained in the study. a. b. Well-Lit Room Dimly-Lit Room 7- 9. 8. 11 10- 13 6- 10 8. 11 9. 7- 15 12- 14 5. 10

24. Research has shown that people are more likely to show dishonest and self-interested behaviors in dark- ness than in a well-lit environment (Zhong, Bohns, & Gino, 2010). In one experiment, participants were given a set of 20 puzzles and were paid $0.50 for each one solved in a 5-minute period. However, the participants reported their own performance and there was no obvious method for checking their hon- esty. Thus, the task provided a clear opportunity to cheat and receive undeserved money. One group of participants was tested in a room with dimmed light- ing and a second group was tested in a well-lit room. The reported number of solved puzzles was recorded for each individual. The following data represent results similar to those obtained in the study. a. b. Well-Lit Room Dimly-Lit Room 7- 9. 8. 11 10- 13 6- 10 8. 11 9. 7- 15 12- 14 5. 10

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Compute the value r^2(percentage of variance accounted for)these data.

24. Research has shown that people are more likely to
show dishonest and self-interested behaviors in dark-
ness than in a well-lit environment (Zhong, Bohns,
& Gino, 2010). In one experiment, participants were
given a set of 20 puzzles and were paid $0.50 for
each one solved in a 5-minute period. However, the
participants reported their own performance and
there was no obvious method for checking their hon-
esty. Thus, the task provided a clear opportunity to
cheat and receive undeserved money. One group of
participants was tested in a room with dimmed light-
ing and a second group was tested in a well-lit room.
The reported number of solved puzzles was recorded
for each individual. The following data represent
results similar to those obtained in the study.
a.
b.

Well-Lit Room
Dimly-Lit Room
7-
9.
8.
11
10-
13
6-
10
8.
11
9.
7-
15
12-
14
5.
10

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