Critical Values of the f-Distribution a 0.40 0.30 0.20 0.15 0.10 0.05 0.025 0.325 0.727 1.376 1.963 3.078 6.314 12.706 0.289 0.617 1.061 1.386 1.886 2.920 4.303 0.277 0.584 0.978 1.250 1.638 2.353 3.182 0.271 0.569 0.941 1.190 1.533 2.132 2.776 0.267 0.559 0.920 1.156 1.476 2.015 2.571 0.265 0,553 0.906 1.134 1.440 1.943 2.447 0.263 0.549 0.896 1.119 1.415 1.895 2.365 8 0.262 0.546 0.889 1.108 1.397 1.860 2.306 9 0.261 0.543 0.883 1.100 1.383 1.833 2.262 10 0.260 0.542 0.879 1.093 1.372 1.812 2.228 11 0.260 0.540 0.876 1.088 1.363 1.796 2.201 12 0.259 0.539 0.873 1.083 1.356 1.782 2.179 13 0.259 0.538 0.870 1.079 1.350 1.771 2.160 14 0.258 0.537 0.868 1.076 1.345 1.761 2.145 15 0.258 0.536 0.866 1.074 1.341 1.753 2.131 16 0.258 0.535 0.865 1.071 1.337 1.746 2.120 17 0.257 0.534 0.863 1.069 1.333 1.740 2.110 18 0.257 0.534 0.862 1.067 1.330 1.734 2. 101 19 0.257 0.533 0.861 1.066 1.328 1.729 2.093 20 0.257 0.533 0.860 1.064 1.325 1.725 2.086 21 0.257 0.532 0.859 1.063 1.323 1.721 2.080 22 0.256 0.532 0.858 1.061 1.321 1.717 2.074 23 0.256 0.532 0.858 1.060 1.319 1.714 2.069 24 0.256 0,531 0.857 1.059 1.318 1.711 2.064 25 0.256 0.531 0.856 1.058 1.316 1.708 2.060 20 0.256 0,531 0.856 1.058 1.315 1.706 2.056 27 0.256 0,531 0.855 1.057 1.314 1.703 2.052 28 0.256 0.530 0.855 1.056 1.313 1.701 2.048 29 0.256 0.530 0.854 1.055 1.311 1.699 2.045 30 0.256 0.530 0.854 1.055 1.310 1.697 2.042 40 0.255 0.529 0.851 1.050 1.303 1.684 2.021 60 0.254 0.527 0.848 1.045 1.296 1.671 2.000 120 0.254 0.526 0.845 1.041 1.289 1.658 1.980 0.253 0,524 0.842 1.036 1.282 1.645 1.960 0.40 0.30 0.20 0.15 0.10 0.05 0.025Critical Values of the t-Distribution 0.02 0.015 0.01 0.0075 0.005 0.0025 0.0005 15.894 21.205 31.821 42.433 63.656 127.321 636.578 4.849 5.643 6,965 8.073 9.925 14.089 31.600 3.482 3.896 4.541 5.047 5.841 7.453 12.924 2.999 3.298 3.747 4.088 4.604 5.598 8.610 2.757 3.003 3.365 3.634 4.032 4.773 6.869 2.612 2.829 3.143 3.372 3.707 4.317 5.959 2.517 2.715 2.998 3.203 3.499 4.029 5.408 2.449 2.634 2.896 3.085 3.355 3.833 5.041 2.398 2.574 2.821 2.098 3.250 3.690 4.781 10 2.359 2.527 2.764 2.932 3.169 3.581 4.587 11 2.328 2.491 2.718 2.879 3.106 3.497 4.437 12 2.303 2.461 2.681 2.836 3.055 3.428 4.318 13 2.282 2.436 2.650 2.801 3.012 3.372 4.221 14 2.264 2.415 2.624 2.771 2.977 3.326 4.140 15 2.249 2.397 2.602 2.746 2.947 3.286 4.073 16 2.235 2.382 2.583 2.724 2.921 3.252 4.015 17 2.224 2.368 2.567 2.706 2.898 3.222 3.965 18 2.214 2.356 2.562 2.689 2.878 3.197 3.922 19 2.205 2.346 2.539 2.674 2.861 3.174 3.883 20 2.197 2.336 2.528 2.661 2.845 3.153 3.850 21 2.189 2.328 2.518 2.649 2.831 3.135 3.819 22 2.183 2.320 2.508 2.639 2.819 3.119 3.792 23 2.177 2.313 2.500 2.629 2.807 3.104 3.768 24 2.172 2.307 2.492 2.620 2.797 3.091 3.745 25 2.167 2.301 2.485 2.612 2.787 3.078 3.725 20 2.162 2.296 2.479 2.605 2.779 3.067 3.707 27 2.158 2.291 2.473 2.598 2.771 3.057 3.689 28 2.154 2.286 2.467 2.592 2.763 3.047 3.674 29 2.150 2.282 2.462 2.586 2.756 3.038 3.660 30 2-147 2.278 2.457 2.581 2.750 3.030 3.6-46 40 2.123 2.250 2.423 2.542 2.704 2.971 3.551 60 2.099 2.223 2.390 2.504 2.660 2.915 3.460 120 2.076 2.196 2.358 2.468 2.617 2.860 3.373 2.054 2.170 2.326 2.432 2.576 2.807 3.290 0.02 0.015 0.01 0.0075 0.005 0.0025 0.0005It is claimed that automobiles are driven on average more than 18,000 kilometers per year. To test this claim, 110 randomly selected automobile owners are asked to keep a record of the kilometers they travel. Would you agree with this claim if the random sample showed an average of 18,900 kilometers and a standard deviation of 3700 kilometers? Use a P-value in your conclusion
