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Please help. Having a hard time getting through this one. The full question is listed below. Exercise 11.03 (Inferences About a Population Variance) Question 1
Please help. Having a hard time getting through this one. The full question is listed below.
Exercise 11.03 (Inferences About a Population Variance) Question 1 of 2 Hint(s) Check My Work A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a = 0.05. What is your conclusion? Use both the p-value approach and the critical value approach. Ho : d' 50 Test statistic = (to 2 decimals) p-value low from table = (to 3 decimals). Use Table 11.1. p-value high from table = (to 3 decimals). Use Table 11.1. (to 3 decimals) Reject Ho if x 2 (to 3 decimals) Reject the null hypothesisTABLE 11.1 Selected Values from the Chi-Square Distribution Table* Area or probability Degrees of Freedom SO0~ 0N b b= .99 020 A15 297 554 872 1.239 1.647 2.088 2.558 3.053 3.5 4.107 4.660 5.229 5.812 6.408 7.015 7.633 8.260 8.897 9.542 10,196 10.856 11.524 12.198 12.878 13.565 14.256 14.953 22164 37.485 53.540 70.065 975 001 051 216 484 AN 1.237 1.690 2.180 2.700 3.247 3.816 4.404 5.009 5.629 6.262 6.908 7.564 8.2 B.507 9.591 10.283 10.982 11.689 12.401 13.120 13.844 14.573 15.308 16.047 16.791 24.433 57.153 70.222 .95 004 103 352 J17 1.145 1.635 2167 2733 3.325 3.940 4575 5.226 5.892 6.571 7.261 7.962 8.672 9.390 10.117 10.851 11.5% 12.338 13.091 13.848 1461 15.379 16.151 16.928 17.708 18.493 26.509 43.188 60.391 77.929 Xa Area in Upper Tail .90 016 211 584 1.064 1.610 2204 2.833 3.4%0 4.168 4.865 5.578 6.304 7.041 7.7%0 8.547 9312 10.085 10.865 11.651 12.443 13.240 14.041 14.848 15.659 16.473 17.292 18.114 18.939 19.768 20.599 29.051 46.459 64.278 82.358 10 2.706 4.605 6.251 1.779 9.236 10.645 12.017 13.362 14.684 15.987 17.275 18.549 19.812 21.064 22.307 23.542 24,769 25.989 27.204 28.412 29.615 30.813 32.007 33.196 34,382 35.563 36.741 37.916 39.087 40.256 51.805 74,397 96.578 118.498 .05 3.841 5991 7.815 9.488 11.070 12.592 14.067 15.507 16919 18.307 19.675 21.026 22.362 23.685 24.996 26.296 27.587 28.869 30.144 31.410 32.671 33.924 35.172 36415 37.652 38.885 40.113 41.337 42.557 43.773 55.758 79.082 101.879 124.342 .025 5.024 7.378 9.348 11.143 12.832 14449 16,013 12.535 19.023 20.483 21.920 23337 24.736 26.119 27.488 28.845 30.191 31.526 32.852 34.170 35479 36.781 38.076 39.364 40.646 41.923 43.195 44 461 45.722 46.979 59.342 83.298 106.627 129.561 .01 6.635 9.210 11.345 13.277 15.086 16.812 18.475 20.0%0 21.666 23.209 24,725 26.217 27.688 29.141 30.578 32.000 33.409 34.805 36.1%1 37.566 38.932 40.289 41638 42.980 44.314 45.642 46.963 48.278 49.588 50,892 63.691 88.379 112.329 135.807Step by Step Solution
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