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 men and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know Male 339 175 26 Female 349 156 25 If the null and alternative hypotheses are: H0: 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. ** 1.Compute the test statistic:_____ ** 2. Find the critical value(s): ______ What is the conlcusion based on the hypothesis test? ** 3. Fail to reject or reject H0. ** 4. There is or is not sufficent evidence to warrant rejection of the claim that the sex of the respondent is the choice for the cause of the global warming.
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 men and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know Male 339 175 26 Female 349 156 25 If the null and alternative hypotheses are: H0: 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. ** 1.Compute the test statistic:_____ ** 2. Find the critical value(s): ______ What is the conlcusion based on the hypothesis test? ** 3. Fail to reject or reject H0. ** 4. There is or is not sufficent evidence to warrant rejection of the claim that the sex of the respondent is the choice for the cause of the global warming.
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 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 men and women appear to agree, or is there a substantial difference?|
|
|
|
|
|
|
|
Human activity
|
Natural patterns
|
Don't know
|
|
|---|---|---|---|---|
|
Male
|
339
|
175
|
26
|
|
|
Female
|
349
|
156
|
25
|
|
If the null and alternative hypotheses are:
H0: 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.
** 1.Compute the test statistic:_____
** 2. Find the critical value(s): ______
What is the conlcusion based on the hypothesis test?
** 3. Fail to reject or reject H0.
** 4. There is or is not sufficent evidence to warrant rejection of the claim that the sex of the respondent is the choice for the cause of the global warming.
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