Section 11.2 Question #11A 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 activityNatural patternsDon't know Male31114647 Female29217044 View the chi-square distribution table.Dialog content startsArea to the Right of the critical valueDegrees of Freedom0.9950.990.9750.950.900.100.050.0250.010.0051--0.0010.0040.0162.7063.8415.0246.6357.87920.0100.0200.0510.1030.2114.6055.9917.3789.21010.59730.0720.1150.2160.3520.5846.2517.8159.34811.34512.83840.2070.2970.4840.7111.0647.7799.48811.14313.27714.86050.4120.5540.8311.1451.6109.23611.07112.83315.08616.75060.6760.8721.2371.6352.20410.64512.59214.44916.81218.54870.9891.2391.6902.1672.83312.01714.06716.01318.47520.27881.3441.6462.1802.7333.49013.36215.50717.53520.09021.95591.7352.0882.7003.3254.16814.68416.91919.02321.66623.589102.1562.5583.2473.9404.86515.98718.30720.48323.20925.188 Compute the test statistic. ___________ (Round to three decimal places as needed.) Find the critical value(s). __________(Round to three decimal places as needed. Use a comma to separate answers as needed.)

Solution The researcher wants to test the claim that the sex of the respondent is independent of the…

Answered: A poll was conducted to investigate…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Section 11.2 Question #11

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	311	146	47
Female	292	170	44

View the chi-square distribution table.

Dialog content starts

Area to the Right of the critical value

Degrees of Freedom	0.995	0.99	0.975	0.95	0.90	0.10	0.05	0.025	0.01	0.005
1	-	-	0.001	0.004	0.016	2.706	3.841	5.024	6.635	7.879
2	0.010	0.020	0.051	0.103	0.211	4.605	5.991	7.378	9.210	10.597
3	0.072	0.115	0.216	0.352	0.584	6.251	7.815	9.348	11.345	12.838
4	0.207	0.297	0.484	0.711	1.064	7.779	9.488	11.143	13.277	14.860
5	0.412	0.554	0.831	1.145	1.610	9.236	11.071	12.833	15.086	16.750
6	0.676	0.872	1.237	1.635	2.204	10.645	12.592	14.449	16.812	18.548
7	0.989	1.239	1.690	2.167	2.833	12.017	14.067	16.013	18.475	20.278
8	1.344	1.646	2.180	2.733	3.490	13.362	15.507	17.535	20.090	21.955
9	1.735	2.088	2.700	3.325	4.168	14.684	16.919	19.023	21.666	23.589
10	2.156	2.558	3.247	3.940	4.865	15.987	18.307	20.483	23.209	25.188