K- 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? 75 01 51 16 Human activity Natural patterns Don't know 58 56 Ho: H₁: Male Female Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. The sex of the respondent and ▼ and 321 298 Compute the test statistic. (Round to three decimal places as needed.). Find the critical value(s). 0.95 0.004 0.103 0.352 84 0.711 31 1.145 37 1.635 90 2.167 80 2.733 00 47 Chi-square distribution table Area to the Right of the critical value 163 164 (Round to three decimal places as needed. Use a comma to separate answers as needed.) What is the conclusion based on the hypothesis test? 0.90 0.016 0.211 0.584 1.064 1.610 Ho. There sufficient evidence to warrant rejection of the claim that the sex of the respondent is independent of the choice for the cause of global warming. Men and women to agree. 0.05 0.025 3.841 5.024 5.991 7.378 6.251 7.815 9.348 7.779 9.488 11.143 9.236 11.071 2.204 12.592 10.645 2.833 12.017 14.067 13.362 15.507 14.684 16.919 4.865 15.987 18.307 3.490 3.325 4.168 3.940 H 0.10 2.706 4.605 Q 0.01 0.005 6.635 7.879 9.210 10.597 12.838 11.345 13.277 12.833 15.086 14.449 16.812 16.013 18.475 17.535 20.090 19.023 21.666 20.483 14.860 16.750 are 18.548 20.278 21.955 23.589 23.209 25.188 are X
K- 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? 75 01 51 16 Human activity Natural patterns Don't know 58 56 Ho: H₁: Male Female Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. The sex of the respondent and ▼ and 321 298 Compute the test statistic. (Round to three decimal places as needed.). Find the critical value(s). 0.95 0.004 0.103 0.352 84 0.711 31 1.145 37 1.635 90 2.167 80 2.733 00 47 Chi-square distribution table Area to the Right of the critical value 163 164 (Round to three decimal places as needed. Use a comma to separate answers as needed.) What is the conclusion based on the hypothesis test? 0.90 0.016 0.211 0.584 1.064 1.610 Ho. There sufficient evidence to warrant rejection of the claim that the sex of the respondent is independent of the choice for the cause of global warming. Men and women to agree. 0.05 0.025 3.841 5.024 5.991 7.378 6.251 7.815 9.348 7.779 9.488 11.143 9.236 11.071 2.204 12.592 10.645 2.833 12.017 14.067 13.362 15.507 14.684 16.919 4.865 15.987 18.307 3.490 3.325 4.168 3.940 H 0.10 2.706 4.605 Q 0.01 0.005 6.635 7.879 9.210 10.597 12.838 11.345 13.277 12.833 15.086 14.449 16.812 16.013 18.475 17.535 20.090 19.023 21.666 20.483 14.860 16.750 are 18.548 20.278 21.955 23.589 23.209 25.188 are X
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:K
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?
75
01
51
16
84
31
37
90
80
Male
Female
Click here to view the chi-square distribution table.
00
47
Human activity Natural patterns Don't know
58
56
Ho:
H₁:
321
298
Identify the null and alternative hypotheses.
The sex of the respondent
Compute the test statistic.
163
164
(Round to three decimal places as needed.).
Find the critical value(s).
Area to the Right of the critical value
Chi-square distribution table
0.95
0.004
0.103
0.352
0.711
1.145
1.635
2.167
2.733
3.325
3.940
and
and
0.90
0.016
0.211
0.584
1.064
1.610
Print
C
(Round to three decimal places as needed. Use a comma to separate answers as needed.).
What is the conclusion based on the hypothesis test?
***
Ho. There
sufficient evidence to warrant rejection of the claim that the sex of the respondent is
independent of the choice for the cause of global warming. Men and women
to agree.
P
0.10
0.05
0.005
2.706
3.841
7.879
4.605
5.991
10.597
6.251
7.815
12.838
7.779
9.488
14.860
9.236
11.071
16.750
2.204
10.645 12.592
14.449 16.812
18.548
2.833 12.017 14.067
20.278
3.490 13.362
21.955
16.013
18.475
15.507 17.535 20.090
4.168 14.684 16.919 19.023 21.666 23.589
4.865 15.987 18.307 20.483 23.209 25.188
Done
0.025
0.01
5.024
6.635
7.378
9.210
9.348
11.345
11.143
13.277
12.833 15.086
-
▼
are
X
are
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