A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do and women appear to agree, or is there a substantial difference? |Human activity Natural patterns Don't know 147 Male Female 317 318 55 52 171 Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Họ: The sex of the respondent and the choice for the cause of global warming are independent. H1: The sex of the respondent and the choice for the cause of global warming are dependent.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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1. Compute the test statistic.

2. Find the Critical value

3. What is the conclusion ( Fail to reject/ reject). There (is/ is not) sufficient evidence. Men and women (appear/ do not appear) 

A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of
global warming. The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do me
and women appear to agree, or is there a substantial difference?
Human activity Natural patterns Don't know
Male
317
147
55
Female
318
171
52
Click here to view the chi-square distribution table.
Identify the null and alternative hypotheses.
Họ:
The sex of the respondent
and the choice for the cause of global warming are independent.
H1:
The sex of the respondent
and the choice for the cause of global warming are dependent.
Transcribed Image Text:A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do me and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know Male 317 147 55 Female 318 171 52 Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Họ: The sex of the respondent and the choice for the cause of global warming are independent. H1: The sex of the respondent and the choice for the cause of global warming are dependent.
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