Homework Help is Here – Start Your Trial Now!
Math
Statistics
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. ..... (a) Find the t-value such that the area in the right tail is 0.20 with 15 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 22 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.005 with 26 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 90% confidence. Assume 14 degrees of freedom. (Round to three decimal places as needed.)

Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. ..... (a) Find the t-value such that the area in the right tail is 0.20 with 15 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 22 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.005 with 26 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 90% confidence. Assume 14 degrees of freedom. (Round to three decimal places as needed.)

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
See similar textbooks
icon
Related questions
Question

9

Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. ..... (a) Find the t-value such that the area in the right tail is 0.20 with 15 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 22 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.005 with 26 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 90% confidence. Assume 14 degrees of freedom. (Round to three decimal places as needed.)
Transcribed Image Text:Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. ..... (a) Find the t-value such that the area in the right tail is 0.20 with 15 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 22 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area left of the t-value is 0.005 with 26 degrees of freedom. [Hint: Use symmetry.] (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 90% confidence. Assume 14 degrees of freedom. (Round to three decimal places as needed.)
Area in right tail Table VI t-Distribution Area in Right Tail 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 63.657 9.925 5.841 4.604 4.032 3.078 1.886 1 0.816 3 6.314 2.920 2.353 2.132 2.015 15.894 4.849 3.482 2.999 2.757 636.619 31.599 12.924 8.610 6.869 1.963 1.386 12.706 4.303 3.182 2.776 2.571 31.821 127.321 14.089 7.453 5.598 4.773 318.309 22.327 10.215 7.173 5.893 1.000 1.376 2 1.061 6.965 0.765 0.741 0.727 1.250 1.190 4.541 3.747 3.365 0.978 1.638 0.941 0.920 1.533 1.476 1.156 2.447 2.365 1.134 1.943 1.895 1.860 1,833 2.612 2.517 3.143 2.998 2.896 2.821 2.764 4.317 4.029 3.833 3.690 5.208 4.785 4.501 4.297 5.959 0.718 6 0.711 0.906 0.896 0.889 0.883 3.707 3.499 3.355 3.250 3.169 1.440 1.119 1.108 1.100 7 1.415 1.397 1.383 1.372 5.408 2.306 2.262 2.228 8 0.706 2.449 5.041 9 0.703 2.398 4.781 10 0.700 0.879 1.093 1.812 2.359 3.581 4.144 4.587 2.201 2.179 2.160 2.145 2.131 3.106 3.055 3.012 2.977 2.947 3.497 3.428 3.372 3.326 3.286 4.025 3.930 3.852 3.787 3.733 4.437 4.318 11 1.088 1.363 1.356 1.350 1.345 1.341 2.328 2.303 2.282 2.264 2.249 2.718 2.681 2.650 2.624 2.602 0.697 0.876 1.796 0.873 0.870 12 1.083 0.695 0.694 1.782 13 1.079 1.771 4.221 0.692 0.691 0.868 0.866 14 1.076 1.761 1.753 4.140 15 1.074 4.073 1.337 1.333 1.330 1.328 1.325 1.746 1.740 1.734 1.729 1.725 2.120 2.110 2.101 2.093 2.086 2.235 2.224 2.214 2.205 3.252 3.222 3.197 3.174 3.153 3.686 3.646 3.610 3.579 16 0.690 0.865 0.863 0.862 1.071 2.583 2.567 2.552 2.539 2.528 2.921 1.069 1.067 1.066 1.064 2.898 2.878 2.861 2.845 4.015 3.965 3.922 3.883 3.850 17 0.689 0.688 0.688 0.687 18 19 0.861 0.860 20 2.197 3.552 0.686 0.686 0.685 0.859 0.858 0.858 0.857 0.856 1.721 1.717 1.714 1.711 1.708 3.527 3.505 3.485 3.467 3.450 1.063 1.061 2.080 2.074 2.069 2.064 2.060 2.189 2.183 3.135 3.119 3.104 3.091 3.078 21 1.323 2.518 2.831 3.819 1.321 1.319 1.318 1.316 2.508 2.500 2.492 2.485 2.819 2.807 2.797 2.787 22 3.792 1.060 1.059 1.058 23 2.177 24 25 2.172 2.167 3.768 3.745 3.725 0.685 0.684 0.684 0.684 0.683 0.683 0.683 0.856 0.855 0.855 0.854 0.854 2.056 2.052 2.048 2.045 2.042 2.779 2.771 2.763 2.756 2.750 3.707 3.690 3.674 3.659 3.646 1.058 1.315 1.706 1.703 1.701 1.699 1.697 2.162 2.158 2.154 2.150 2.147 2.479 2.473 2.467 2.462 2.457 3.067 3.057 3.047 3.038 3.030 3.435 3.421 3.408 3.396 3.385 26 1.057 27 28 29 30 1.314 1.313 1.055 1.311 1.055 1.056 1.310 0.682 0.682 0.682 0.853 0.853 0.853 1.054 1.054 1.053 1.052 1.052 1.309 1.309 1.308 1.307 1.306 1.696 1.694 1.692 1.691 1.690 2.744 2.738 2.733 2.728 2.724 31 2.040 2.144 2.453 2.449 2.445 2.441 2.438 3.022 32 33 34 35 2.037 2.035 2.032 2.030 2.141 2.138 2.136 2.133 3.375 3.365 3.356 3.348 3.633 3.622 3.611 3.601 3.591 3.015 3.008 0.852 0.852 3.002 2.996 0.682 0.682 3.340 0.852 0.851 0.851 1.052 1.051 1.051 1.050 1.050 1.306 1.305 1.304 1.304 1.303 2.028 2.026 2.024 2.719 2.715 2.712 36 0.681 0.681 0.681 0.681 1.688 2.131 2.434 2.431 2.429 2.990 2.985 2.980 2.976 2.971 3.333 3.326 3.319 3.313 3.307 3.582 3.574 3.566 3.558 3.551 37 38 1.687 2.129 1.686 1.685 1.684 2.127 2.125 2.123 39 0.851 2.023 2.426 2.708 40 0.681 0.851 2.021 2.423 2.704 1.047 1.045 0.679 0.679 0.678 0.678 1.676 1.671 1.667 1.664 0.849 1.299 1.296 2.403 2.390 2.381 2.374 2.937 2.915 2.899 2.887 3.496 3.460 3.435 3.416 50 2.009 2.109 2.678 2.660 2.648 2.639 3.261 3.232 3.211 3.195 60 2.000 1.994 1.990 2.099 2.093 2.088 0.848 0.847 0.846 70 1.044 1.043 1.294 80 1.292
Transcribed Image Text:Area in right tail Table VI t-Distribution Area in Right Tail 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 63.657 9.925 5.841 4.604 4.032 3.078 1.886 1 0.816 3 6.314 2.920 2.353 2.132 2.015 15.894 4.849 3.482 2.999 2.757 636.619 31.599 12.924 8.610 6.869 1.963 1.386 12.706 4.303 3.182 2.776 2.571 31.821 127.321 14.089 7.453 5.598 4.773 318.309 22.327 10.215 7.173 5.893 1.000 1.376 2 1.061 6.965 0.765 0.741 0.727 1.250 1.190 4.541 3.747 3.365 0.978 1.638 0.941 0.920 1.533 1.476 1.156 2.447 2.365 1.134 1.943 1.895 1.860 1,833 2.612 2.517 3.143 2.998 2.896 2.821 2.764 4.317 4.029 3.833 3.690 5.208 4.785 4.501 4.297 5.959 0.718 6 0.711 0.906 0.896 0.889 0.883 3.707 3.499 3.355 3.250 3.169 1.440 1.119 1.108 1.100 7 1.415 1.397 1.383 1.372 5.408 2.306 2.262 2.228 8 0.706 2.449 5.041 9 0.703 2.398 4.781 10 0.700 0.879 1.093 1.812 2.359 3.581 4.144 4.587 2.201 2.179 2.160 2.145 2.131 3.106 3.055 3.012 2.977 2.947 3.497 3.428 3.372 3.326 3.286 4.025 3.930 3.852 3.787 3.733 4.437 4.318 11 1.088 1.363 1.356 1.350 1.345 1.341 2.328 2.303 2.282 2.264 2.249 2.718 2.681 2.650 2.624 2.602 0.697 0.876 1.796 0.873 0.870 12 1.083 0.695 0.694 1.782 13 1.079 1.771 4.221 0.692 0.691 0.868 0.866 14 1.076 1.761 1.753 4.140 15 1.074 4.073 1.337 1.333 1.330 1.328 1.325 1.746 1.740 1.734 1.729 1.725 2.120 2.110 2.101 2.093 2.086 2.235 2.224 2.214 2.205 3.252 3.222 3.197 3.174 3.153 3.686 3.646 3.610 3.579 16 0.690 0.865 0.863 0.862 1.071 2.583 2.567 2.552 2.539 2.528 2.921 1.069 1.067 1.066 1.064 2.898 2.878 2.861 2.845 4.015 3.965 3.922 3.883 3.850 17 0.689 0.688 0.688 0.687 18 19 0.861 0.860 20 2.197 3.552 0.686 0.686 0.685 0.859 0.858 0.858 0.857 0.856 1.721 1.717 1.714 1.711 1.708 3.527 3.505 3.485 3.467 3.450 1.063 1.061 2.080 2.074 2.069 2.064 2.060 2.189 2.183 3.135 3.119 3.104 3.091 3.078 21 1.323 2.518 2.831 3.819 1.321 1.319 1.318 1.316 2.508 2.500 2.492 2.485 2.819 2.807 2.797 2.787 22 3.792 1.060 1.059 1.058 23 2.177 24 25 2.172 2.167 3.768 3.745 3.725 0.685 0.684 0.684 0.684 0.683 0.683 0.683 0.856 0.855 0.855 0.854 0.854 2.056 2.052 2.048 2.045 2.042 2.779 2.771 2.763 2.756 2.750 3.707 3.690 3.674 3.659 3.646 1.058 1.315 1.706 1.703 1.701 1.699 1.697 2.162 2.158 2.154 2.150 2.147 2.479 2.473 2.467 2.462 2.457 3.067 3.057 3.047 3.038 3.030 3.435 3.421 3.408 3.396 3.385 26 1.057 27 28 29 30 1.314 1.313 1.055 1.311 1.055 1.056 1.310 0.682 0.682 0.682 0.853 0.853 0.853 1.054 1.054 1.053 1.052 1.052 1.309 1.309 1.308 1.307 1.306 1.696 1.694 1.692 1.691 1.690 2.744 2.738 2.733 2.728 2.724 31 2.040 2.144 2.453 2.449 2.445 2.441 2.438 3.022 32 33 34 35 2.037 2.035 2.032 2.030 2.141 2.138 2.136 2.133 3.375 3.365 3.356 3.348 3.633 3.622 3.611 3.601 3.591 3.015 3.008 0.852 0.852 3.002 2.996 0.682 0.682 3.340 0.852 0.851 0.851 1.052 1.051 1.051 1.050 1.050 1.306 1.305 1.304 1.304 1.303 2.028 2.026 2.024 2.719 2.715 2.712 36 0.681 0.681 0.681 0.681 1.688 2.131 2.434 2.431 2.429 2.990 2.985 2.980 2.976 2.971 3.333 3.326 3.319 3.313 3.307 3.582 3.574 3.566 3.558 3.551 37 38 1.687 2.129 1.686 1.685 1.684 2.127 2.125 2.123 39 0.851 2.023 2.426 2.708 40 0.681 0.851 2.021 2.423 2.704 1.047 1.045 0.679 0.679 0.678 0.678 1.676 1.671 1.667 1.664 0.849 1.299 1.296 2.403 2.390 2.381 2.374 2.937 2.915 2.899 2.887 3.496 3.460 3.435 3.416 50 2.009 2.109 2.678 2.660 2.648 2.639 3.261 3.232 3.211 3.195 60 2.000 1.994 1.990 2.099 2.093 2.088 0.848 0.847 0.846 70 1.044 1.043 1.294 80 1.292
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS