Dale Layne JR 04/20/22 20_32_Statistics |_2021_22_TERM5 This test: 13 point(s) possible Su Question 13 of 13 This question: 1 point(s) possible est: POST UNIT 7 - TEST - Ch. 10 ar, the mean age of an inmate on death row was 40.7 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 32 death-row inmates and finds that their mean age is 39.4, with a standard deviation of 8.8. Construct a 95% confidence inten age. What does the interval imply? Click the icon to view the table of critical t-values X Table of Critical t-Values right tail se the correct hypotheses. t-Distribution Area in Right Tail Degrees of Freedom 0.25 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 pe integers or decimals. Do not round.) 1000 1.376 1.963 3.078 6.314 12.706 15.894 31.821 318 309 636.610 0.816 1.061 1.386 1.886 2.920 4 303 63.657 127.321 4.849 6.965 9.925 14.089 22.327 31.599 instruct a 95% confidence interval about the mean age. 0.765 0.078 1250 1.638 2353 3182 3.482 4.541 5.841 7453 10.215 12 024 0.741 0.041 1 190 2132 2.776 2999 3.747 4.604 5.598 7173 0.727 0.920 1.156 1.476 2.015 2.571 2.757 3.365 4.032 5.893 6.869 ith 95% confidence, the mean age of a death row inmate is between years and |years. (Round to two decimal places as needed.) 0.718 0.906 1 134 1440 1043 2.447 2 612 3.143 3.707 4.317 5.208 5.959 0.711 0.896 1.119 1415 1 895 2.365 2.517 2.998 3.409 4.mo 4.785 5.408 What does the interval imply? 0.706 0.889 1.108 1397 2.896 3.355 3.041 0.703 0.883 1.100 1383 1.833 2.262 2 308 2.821 3.250 3.690 4.297 4.781 0.700 0.879 1093 1.372 1812 2 228 2.359 2.764 3.169 3581 4.144 4.587 A. Since the mean age from the earlier year is not contained in the interval, there is not sufficient evidence to conclude that the mean age had changed. 3.497 4.025 4.437 0.697 0.876 1.088 1.363 1.796 2.201 2-528 2.718 3.106 1.083 1356 2.179 2-203 2.681 3.055 3.428 4318 0.695 0.873 O B. Since the mean age from the earlier year is contained in the interval, there is sufficient evidence to conclude that the mean age had changed. 0.694 0.870 1.079 1.350 1771 2.650 3.012 3372 3.852 4021 0.692 0.868 1.076 1345 1.761 2.145 2-04 2.624 2.977 3.787 4.140 O C. Since the mean age from the earlier year is contained in the interval, there is not sufficient evidence to conclude that the mean age had changed 0.691 0.866 1074 1.753 2.131 2.249 2.602 2.947 3.733 4.073 0.690 0.865 1.071 1337 1.746 2.120 2.235 2583 2921 3.686 4.015 O D. Since the mean age from the earlier year is not contained in the interval, there is sufficient evidence to conclude that the mean age had changed. 0.689 0.863 1.069 1.333 1.740 2.110 2.567 2.898 3.646 3 065 0.688 0.862 1.067 1.330 1.734 2.101 2.214 3.610 3.922 0.683 1.066 1 328 1 720 2.093 2.205 2 539 3.579 0.687 0.860 1.064 1.325 2.086 2.197 2 528 3 552 3.850 0.686 0.859 1.063 1323 1.721 2.080 2.189 2.518 2.831 3.819 0.686 0.858 1.061 1714 2.069 2.183 3 505 3.792 0.685 1.060 3 500 2819 2.807 3 . 104 3.485 0.685 0.857 1.059 1.318 2.064 2.797 3.091 3.745 0.684 0,856 1.058 1.316 1.708 2060 2167 2485 2.787 3.07 3.450 3.725 0.684 0.856 1.058 1.315 2.056 2.162 2470 2.779 3.067 3.435 3.707 0.684 0.855 1.057 1314 1.703 2.052 2.158 2.048 2154 2473 2771 3.057 0.683 0.855 1.056 1.05 5 1317 1.609 2. 045 3.038 3.306 0.683 1.055 1.310 1607 2.042 2147 3.030 3.385 0.682 1.054 1.309 1.696 2.040 2144 3.022 3.633 0.682 1.054 1.694 3.622 3.611 0.682 1.692 2.035 1.052 1 601 0.682 2136 3.002 3.601 0.852 1.052 1.306 L.690 2.050 2.133 2724 3 340 3 591 0.681 1052 1306 1.688 2.028 2.131 2434 2719 3.333 3 582 8288 326 2.023 2426 681 050 303 1685 123 2 071 Statcrunch Print Done bmit test O e w X x1 1:52 PM 1/20/202 SAMSUNG AUTO