Question
Asked Nov 25, 2019

You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats.

You sample 60 men, and 30% own cats.

You sample 140 women, and 25% own cats.

Find the test statistic, rounded to two decimal places.

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Expert Answer

Step 1

From the given information, the sample of 60 men, 30% own cats. The sample of 140 women, 25% own cats.

x1: The number of own cats by men (60*0.30=18).

x2: The number of own cats by women (140*0.25=35).

п
18
60
=0.3
р.
п,
35
140
025
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Image Transcriptionclose

п 18 60 =0.3 р. п, 35 140 025

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Step 2

The pooled sample pr...

x
18+35
60+140
0.265
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Image Transcriptionclose

x 18+35 60+140 0.265

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