A researcher wanted to see if different breeds of dogs preferred toys of certain colors. The researcher presented each dog with 3 toys, identical except that each was a different color, and recorded which toy the dog played with the most in a set time period. Here are the outcomes and partial results of a chi-square test (expected counts appear below observed counts): Chi-square test: Breed vs. toy color Yellow Purple Black Total 14 60 13 10 60 Beagle Collie Husky Total 16 24 27 24 29 24 72 30 23 23 23 16 23 69 من ان 13 15 60 13 39 180

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
A researcher wanted to see if different breeds of dogs preferred toys of
certain colors. The researcher presented each dog with 3 toys, identical
except that each was a different color, and recorded which toy the dog
played with the most in a set time period. Here are the outcomes and
partial results of a chi-square test (expected counts appear below observed
counts):
Chi-square test: Breed vs. toy color
Yellow Purple Black Total
30
14 60
23
13
23
10 60
23
13
16
15 60
13
39
Beagle
Collie
Husky
Total
16
24
27
24
29
24
72
23
69
180
4 of 9
100
15
Transcribed Image Text:A researcher wanted to see if different breeds of dogs preferred toys of certain colors. The researcher presented each dog with 3 toys, identical except that each was a different color, and recorded which toy the dog played with the most in a set time period. Here are the outcomes and partial results of a chi-square test (expected counts appear below observed counts): Chi-square test: Breed vs. toy color Yellow Purple Black Total 30 14 60 23 13 23 10 60 23 13 16 15 60 13 39 Beagle Collie Husky Total 16 24 27 24 29 24 72 23 69 180 4 of 9 100 15
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