A poll was conducted to investigate opinions about global
Last updated: 11/28/2023
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 C Human activity Natural patterns Don t know 73 69 Male 144 159 Female Click here to view the chi square distribution table 296 319 Identify the null and alternative hypotheses The sex of the respondent and the choice for the cause of global warming are independent The sex of the respondent and the choice for the cause of global warming are dependent Ho H Compute the test statistic Round to three decimal places as needed Chi square distribution table Degrees of Freedom 1 22 3 4 5 6 7 8 9 O 0 995 0 010 0 072 0 207 0 412 0 676 0 989 1 344 1 735 CER 0 99 0 020 0 115 0 297 0 554 0 872 1 239 1 646 2 088 Area to the Right of the critical value 0 975 0 001 0 051 0 216 0 484 0 831 1 237 1 690 2 180 2 700 0 95 0 004 0 103 0 352 0 711 1 145 1 635 2 167 2 733 3 325 0 90 0 10 0 05 0 025 0 01 0 016 2 706 3 841 5 024 6 635 0 211 4 605 5 991 7 378 9 210 0 584 6 251 7 815 9 348 11 345 11 143 13 277 1 064 7 779 9 488 1 610 9 236 11 071 12 833 15 086 2 204 10 645 12 017 13 362 15 507 14 684 16 919 12 592 14 449 16 812 14 067 16 013 18 475 17 535 20 090 19 023 21 666 2 833 3 490 4 168 X 0 005 7 879 10 597 12 838 14 860 16 750 18 548 20 278 21 955 23 589