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kincasdce123 kincasdce123
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A month ago
A study to investigate the dominant paw in cats was described in the scientific journal Animal Behaviour. The researchers used a random sample of 42 domestic cats. In this study, each cat was shown a treat (5 grams of tuna), and while the cat watched, the food was placed inside a jar. The opening of the jar was small enough that the cat could not stick its head inside to remove the treat. The researcher recorded the paw that was first used by the cat to try to retrieve the treat. This was repeated 100 times for each cat (over a span of several days). The paw used most often was deemed the dominant paw.

The researchers want to determine if there is a significant association between sex of the cat and dominant paw. Computer output from the analysis is provided. Is it appropriate to perform the chi-test to test for an association between sex and dominant paw in cats? If so, perform the test. If not, briefly explain why.

Rows: SexColumns: Paw

LeftNot LeftAll
Female1
10
8.100
20
11
7.364
21
21
*
Male 19
10
8.100
2
11
7.364
21
21
*
All20
20
*
22
22
*
42
42
*
Cell Contents:Count
Expected count
Contribution to Chi-square
Pearson Chi-Square = 30.927, DF = 1, P-Value = 0.000
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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bryrdanbryrdan
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A month ago
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