Question
Need help with iNZight. Please teach me step-by-step on iNZight. Thank you! ethnicity region Auckland sex age grp under_25 qualification occupation hours income Asian Auckland
Need help with iNZight. Please teach me step-by-step on iNZight. Thank you!
ethnicity | region | Auckland | sex | age grp | under_25 | qualification | occupation | hours | income |
Asian | Auckland | Auckland | female | 40 | Over 25 | degree | clerical | 20 | 676 |
Asian | Auckland | Auckland | female | 35 | Over 25 | degree | community | 56 | 986 |
Asian | Auckland | Auckland | female | 45 | Over 25 | degree | laborer | 35 | 670 |
Asian | Auckland | Auckland | female | 45 | Over 25 | degree | professional | 37.5 | 1962 |
Asian | Christchurch | Non-Auckland | female | 35 | Over 25 | degree | professional | 13 | 757 |
Asian | Auckland | Auckland | male | 45 | Over 25 | degree | manager | 40 | 1899 |
Asian | Christchurch | Non-Auckland | male | 35 | Over 25 | degree | professional | 45 | 1109 |
Asian | Gisborne | Non-Auckland | male | 20 | Under 25 | degree | technician | 40 | 684 |
Asian | Wellington | Non-Auckland | male | 25 | Over 25 | degree | professional | 40 | 735 |
European | Auckland | Auckland | female | 50 | Over 25 | degree | clerical | 35 | 1312 |
Using iNZight, perform a 2-sample t-test, to test whether or not the population average Hours worked (variable name = "hours") vary by Sex (variable name = "sex"). Assume equal variances. Test at the 5% level.
From the iNZight output, supply the following details:
(a) The test statistic for the test of mean is (give your answer to 4 decimal places)
(b) The p-value for the test of means is (give your answer to 4 decimal places)
(c) Should the null hypothesis be rejected? Answer YES or NO in the box
(d) Is there evidence that the population mean Hours worked depends on sex? Answer YES or NO in the box
(e) An assumption of equal variances was made. Is this supported by the F-test for the equal variance? Test at the 5% level. Answer YES or NO in the box
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