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Find the critical t value that corresponds to 50% confidence, assume 26 degrees of freedom.

Find the critical t value that corresponds to 50% confidence, assume 26 degrees of freedom.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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chapter 9 question 14

I need help with part D, I listed it first and gave my previous answers at the bottom.  I attached my table

D.  Find the critical t value that corresponds to 50% confidence, assume 26 degrees of freedom.

A t value right tail .10 with 25 degrees of freedom= 1.316

B t value suchat the area in the rt is 0.15 and 20 degrees of freedom= 1.064

c find the t value such that the area left of the value is 0.02 with 5 degrees of freedom. =-2.757

 

df 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 1.000 1.376 1.963 3.078 6.314 12.706 15.894 31.821 63.657 127.321 318.309 636.619 4.849 22.327 10.215 2 0.816 1.061 0.978 1.386 1.886 2.920 4.303 6.965 9.925 5.841 14.089 31.599 12.924 3.482 2.999 2.757 3 0.765 4 0.741 1.250 1.638 2.353 3.182 2.776 4.541 7.453 1.533 1.476 0.941 1.190 2.132 3.747 4.604 5.598 8.610 7.173 5.893 5 0.727 0.920 1.156 2.015 2.571 3.365 4.032 4.773 6.869 6. 0.718 0.906 1.134 1.440 1.943 2.447 2.612 3.143 2.998 3.707 4.317 5.208 5.959 5.408 7 0.711 0.896 1.119 1.415 1.895 2.365 2.517 3.499 4.029 4.785 0.706 9 0.703 0.889 0.883 1.397 1.383 2.449 2.398 2.896 2.821 1.108 1.860 2.306 2.262 3.355 3.250 3.833 4.501 4.297 5.041 4.781 1.100 1.833 1.812 3.690 3.581 10 0.700 0.879 1.093 1.372 2.228 2.359 2.764 3.169 4.144 4.587 11 0.697 0.876 1.088 1.363 1.796 2.201 2.328 2.718 3.106 3.497 4.025 4.437 12 0.695 0.873 1.083 1.356 1.782 2.179 2.303 2.681 3.055 3.428 3.930 3.852 4.318 13 14 0.694 0.692 0.870 1.079 1.350 1.771 2.160 2.145 2.282 2.650 2.624 3.012 2.977 3.372 4.221 0.868 0.866 1.076 1.345 1.761 2.264 3.326 3.787 4.140 15 0.691 1.074 1.341 1.753 2.131 2.249 2.602 2.947 3.286 3.733 4.073
Transcribed Image Text:df 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 1.000 1.376 1.963 3.078 6.314 12.706 15.894 31.821 63.657 127.321 318.309 636.619 4.849 22.327 10.215 2 0.816 1.061 0.978 1.386 1.886 2.920 4.303 6.965 9.925 5.841 14.089 31.599 12.924 3.482 2.999 2.757 3 0.765 4 0.741 1.250 1.638 2.353 3.182 2.776 4.541 7.453 1.533 1.476 0.941 1.190 2.132 3.747 4.604 5.598 8.610 7.173 5.893 5 0.727 0.920 1.156 2.015 2.571 3.365 4.032 4.773 6.869 6. 0.718 0.906 1.134 1.440 1.943 2.447 2.612 3.143 2.998 3.707 4.317 5.208 5.959 5.408 7 0.711 0.896 1.119 1.415 1.895 2.365 2.517 3.499 4.029 4.785 0.706 9 0.703 0.889 0.883 1.397 1.383 2.449 2.398 2.896 2.821 1.108 1.860 2.306 2.262 3.355 3.250 3.833 4.501 4.297 5.041 4.781 1.100 1.833 1.812 3.690 3.581 10 0.700 0.879 1.093 1.372 2.228 2.359 2.764 3.169 4.144 4.587 11 0.697 0.876 1.088 1.363 1.796 2.201 2.328 2.718 3.106 3.497 4.025 4.437 12 0.695 0.873 1.083 1.356 1.782 2.179 2.303 2.681 3.055 3.428 3.930 3.852 4.318 13 14 0.694 0.692 0.870 1.079 1.350 1.771 2.160 2.145 2.282 2.650 2.624 3.012 2.977 3.372 4.221 0.868 0.866 1.076 1.345 1.761 2.264 3.326 3.787 4.140 15 0.691 1.074 1.341 1.753 2.131 2.249 2.602 2.947 3.286 3.733 4.073
1.071 1.069 16 1.746 0.690 0.689 0.865 0.863 1.337 2.120 2.235 2.224 2.583 2.921 3.252 3.686 4.015 1.333 1.330 2.898 3.965 3.922 17 1.740 2.110 2.567 3.222 3.646 18 0.688 0.862 1.067 1.734 2.101 2.214 2.552 2.878 3.197 3.610 19 0.688 0.861 1.066 1.328 1.729 2.093 3.579 2.205 2.197 2.539 2.861 3.174 3.883 20 0.687 0.860 1.064 1.325 1.725 2.086 2.528 2.845 3.153 3.552 3.850 0.859 0.858 2.518 2.508 21 0.686 1.063 1.323 1.721 2.080 2.074 2.069 2.189 2.831 3.135 3.527 3.819 22 3.792 0.686 0.685 1.061 1.060 1.321 1.717 2.183 2.819 3.119 3.104 3.505 23 0.858 1.319 1.714 2.177 2.500 2.807 2.797 3.485 3.467 3.768 24 0.685 0.684 0.857 1.059 1.318 1.316 1.711 2.064 2.172 2.492 3.091 3.745 25 0.856 1.058 1.708 2.060 2.167 2.485 2.787 3.078 3.450 3.725 0.856 2.779 2.771 26 0.684 1.058 1.315 1.706 2.056 2.162 2.479 3.067 3.435 3.707 27 0.684 0.855 1.057 1.314 1.703 2.052 2.158 2.473 3.057 3.421 3.690 28 29 0.683 0.855 0.854 1.056 1.055 1.313 1.701 1.311 2.048 2.045 2.042 2.154 2.150 2.467 2.462 2.763 2.756 3.047 3.038 3.408 3.674 0.683 0.683 1.699 1.697 3.396 3.385 3.659 3.646 30 0.854 1.055 1.310 2.147 2.457 2.750 3.030 0.853 0.853 31 0.682 1.054 1.309 1.696 2.040 2.144 2.453 2.744 3.022 3.015 3.375 3.365 3.633 1.309 1.308 1.307 2.037 2.035 2.032 2.449 2.445 3.622 3.611 32 0.682 1.054 1.694 2.141 2.738 0.853 33 34 0.682 1.053 1.052 1.692 1.691 2.138 2.733 3.008 3.356 3.348 0.682 0.852 2.136 2.441 2.728 3.002 3.601
Transcribed Image Text:1.071 1.069 16 1.746 0.690 0.689 0.865 0.863 1.337 2.120 2.235 2.224 2.583 2.921 3.252 3.686 4.015 1.333 1.330 2.898 3.965 3.922 17 1.740 2.110 2.567 3.222 3.646 18 0.688 0.862 1.067 1.734 2.101 2.214 2.552 2.878 3.197 3.610 19 0.688 0.861 1.066 1.328 1.729 2.093 3.579 2.205 2.197 2.539 2.861 3.174 3.883 20 0.687 0.860 1.064 1.325 1.725 2.086 2.528 2.845 3.153 3.552 3.850 0.859 0.858 2.518 2.508 21 0.686 1.063 1.323 1.721 2.080 2.074 2.069 2.189 2.831 3.135 3.527 3.819 22 3.792 0.686 0.685 1.061 1.060 1.321 1.717 2.183 2.819 3.119 3.104 3.505 23 0.858 1.319 1.714 2.177 2.500 2.807 2.797 3.485 3.467 3.768 24 0.685 0.684 0.857 1.059 1.318 1.316 1.711 2.064 2.172 2.492 3.091 3.745 25 0.856 1.058 1.708 2.060 2.167 2.485 2.787 3.078 3.450 3.725 0.856 2.779 2.771 26 0.684 1.058 1.315 1.706 2.056 2.162 2.479 3.067 3.435 3.707 27 0.684 0.855 1.057 1.314 1.703 2.052 2.158 2.473 3.057 3.421 3.690 28 29 0.683 0.855 0.854 1.056 1.055 1.313 1.701 1.311 2.048 2.045 2.042 2.154 2.150 2.467 2.462 2.763 2.756 3.047 3.038 3.408 3.674 0.683 0.683 1.699 1.697 3.396 3.385 3.659 3.646 30 0.854 1.055 1.310 2.147 2.457 2.750 3.030 0.853 0.853 31 0.682 1.054 1.309 1.696 2.040 2.144 2.453 2.744 3.022 3.015 3.375 3.365 3.633 1.309 1.308 1.307 2.037 2.035 2.032 2.449 2.445 3.622 3.611 32 0.682 1.054 1.694 2.141 2.738 0.853 33 34 0.682 1.053 1.052 1.692 1.691 2.138 2.733 3.008 3.356 3.348 0.682 0.852 2.136 2.441 2.728 3.002 3.601
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