9.2

Question 10, 9.2.31 HW Score: 75.32%, 9.04 of 12 = Homework: 9.2 points Part 1 of 4 Points: 0 of 1 Save The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A 5.30 5.72 5.24 4.80 boxplot indicates there are no outliers. Complete parts a) through d) below. 5.02 4.58 4.74 5.19 5.43 4.76 4.56 5.68 Click the icon to view the table of critical t-values. (a) Determine a point estimate for the population mean. A point estimate for the population mean is. (Round to two decimal places as needed.) - X Table of Critical t-Values - Area in right tail f-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 1.000 1.376 1.963 3.078 6.314 12.706 15.894 31.821 63.657 127.32 1 318.309 636.619 0.816 1.061 1.386 1.886 2.920 4.303 4.849 6.965 9.925 14.089 22.327 31.599 0.765 0.978 1.250 1.638 2.353 3.182 3.482 4.541 5.841 7.453 10.215 12.924 0.741 0.941 1.190 1533 2.132 2.776 2.990 3.747 4.604 5.598 7173 8.610 0.727 0.920 1.156 1.476 2.015 2.571 2.757 3.365 4.032 4.773 5.893 6.869 0.718 0.906 1.134 1.440 1.943 2.447 2.612 3.143 3.707 4.317 5.208 5.950 0.711 0.896 1.119 1.415 2.365 2.517 2.998 3.499 4.029 4.785 5.408 0.706 0.889 1.108 1.397 2.306 2.449 2.896 3.355 3.833 4.501 5.041 0.703 0.883 1.100 1.383 1.833 2.262 2.398 2.821 3.250 3.690 4.207 4.781 0.700 0.879 1.093 1.372 2.228 2.359 2.764 3.169 3.581 4.144 4.587 0.697 0.876 1.088 1.363 1.796 2.201 2.328 2.718 3.106 3.497 4.025 4.437 0.695 0.873 1.083 1.356 2.179 2303 2.681 3.055 3.428 3.930 4.318 0.694 0.870 1070 1.350 1.771 2.160 2.282 2.650 3.012 3.372 3.852 4.221 0.692 0.868 1.076 1345 2.145 2.264 2.624 3.326 3.787 4.140 0.691 0.866 1.074 1341 1.753 2.131 2.249 2.602 2.947 3.286 3.733 4.073 0.690 0.865 1071 1.337 2.120 2.235 2.58 2.921 3.252 3.686 4.015 0.689 0.863 1.069 1.333 1.740 2.110 2.224 2567 2.898 3.222 3.646 3.965 0.688 0.862 1.067 1.330 2.101 2.214 2.552 3.197 3.610 3.922 0.68 0.861 1.066 1.328 1.729 2.093 2.205 2.530 3.17 3.579 3.883 0.687 0.860 1.064 1.325 1.725 2.086 2.197 2 528 2.845 3.153 3.552 3.850 0.686 0.850 1.063 1.323 1.721 2.080 2.189 2.518 2.831 3.135 3.527 3.819 0.686 0.858 1.061 1.321 2.074 2.183 2.508 2.819 3.119 3.505 3.792 0.685 0.858 1.060 1319 1.714 2.069 2.177 2.500 2.80 3.10 3.485 3.768 0.685 0.857 1.059 1.318 1.711 2.064 2.172 2.492 2.797 3.091 3.467 3.745 0.684 0.856 1.058 1.316 1.708 2.060 2.167 2.485 2.787 3.078 3.450 3.725 0.684 0.856 1.058 1.315 1.706 2.056 2.162 2.479 2.779 3.067 3.435 3.707 0.684 0.855 1.057 1.314 1.703 2.052 2.158 2.473 2.77 3.05 3.421 3.690 0.683 0.855 1.056 1.313 1.701 2.048 2.154 2.467 2.763 3.047 3.408 3.674 0.683 0.854 1.055 1.311 2.045 2.150 2.462 2.756 3.038 3.396 3.659 0.683 0.854 1.055 1.310 2.042 2.147 2.457 2.750 3.030 3.385 3.646 0.682 0.853 1.309 2.040 2.144 2453 2.744 3.022 3.375 3.633 0.68 0.853 1.054 1.309 1.694 2.037 2.141 2.449 2.738 3.015 3.365 3.622 0.682 0.853 1.053 1.308 2.035 2.138 2.445 2.733 3.008 3.356 3.611 0.682 0.852 1.307 2.032 2.136 2.441 3.002 3.348 3.601 0.682 0.852 1.052 1.306 1.690 2.030 2.133 2.438 2.724 2.996 3.340 3.591 0.68 0.852 1.052 1.306 1.688 2.028 2.131 2.434 2.719 2090 3.333 3.582 0.681 0.851 1.051 1.305 1.687 2.026 2.129 2.431 2.715 2.985 3.326 3.574 0.681 0.851 2.024 2.127 2420 2.980 3.319 3.566 0.681 0.851 1.050 1304 1.685 2.023 2.125 2.426 2.708 20765 3.313 3.558 0.681 0.851 1.050 1.303 2.021 2.123 2.423 2.704 2.971 3.307 3.551 0.679 0.849 1.047 1.209 1.676 2.009 2.109 2.403 2.678 2.937 3.261 3.496 0.679 0.848 1.671 2.000 2.099 2.39 2.915 3.232 3.460 0.678 0.847 1.044 1294 1.667 1.994 2.093 2.381 2.648 2.890 3.211 3.435 0.678 0.846 1.043 1.292 1.664 1090 2.088 2.37 2.639 2.887 3.195 3.416 0.677 0.846 1.042 1291 1.662 1.987 2.084 2.368 2.632 2.878 3.183 3.402 0.677 0.845 1.042 1290 1.660 1.984 2.081 2.36 2.626 2.871 3.174 3.390 1060 0.675 0.842 1.037 1.282 1.646 1.962 2.056 2.330 2581 2813 3.098 3.300 0.674 0.842 1.036 1.282 1.645 1.960 2.054 2 326 2.576 2.807 3.090 3.291 Degrees of 0.25 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.9005 Freedom t-Distribution Help me s Area in Right Tail k