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 0.05 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know Male 347 177 21 Female 331 154 20 Idenitfy null and alternative hypotheses: Compute test statistic: Find critical values: What is the conclusion based on the hypothesis test?
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 0.05 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know Male 347 177 21 Female 331 154 20 Idenitfy null and alternative hypotheses: Compute test statistic: Find critical values: What is the conclusion based on the hypothesis test?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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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
0.05
significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference?|
|
|
|
|
|
|
|
Human activity
|
Natural patterns
|
Don't know
|
|
|---|---|---|---|---|
|
Male
|
347
|
177
|
21
|
|
|
Female
|
331
|
154
|
20
|
Idenitfy null and alternative hypotheses:
Compute test statistic:
Find critical values:
What is the conclusion based on the hypothesis test?
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