Using Table B in Appendix C of your textbook, find the critical t values for each of
Question:
1. One-tailed test, lower tail critical; α = .01 , n1 = 15; n2 = 15
2. One-tailed test, lower tail critical; α = .05, n1 = 18; n2 = 21
3. One-tailed test, upper critical; α = .01, n1 = 20; n2 = 16
4. Two-tailed test; α = .01, n1 = 15; n2 = 17
5. Two-tailed test; α = .05, n1 = 45; n2 = 45
Transcribed Image Text:
Table B CRITICAL VALUES OF t -fant tont tert Two-tailed or Nondirectional Test One-tailed or Directional Test LEVEL OF SIGNIFICANCE LEVEL OF SIGNIFICANCE p> 05 p<.05 p<.01 p<.001 p> 05 p< 05 p<.01 p<.001 .05 .01* 001 .05 .01 31.821 6.965 4.541 3.747 3.365 .001 318.31 12.706 4.303 63.657 636.62 31.598 12.924 6.314 2.920 2.353 2.132 22.326 10.213 7.173 5.893 9.925 5.841 4.604 4.032 3.182 2.776 2.571 8.610 6.869 2,015 1.943 1.895 3.143 2998 2.896 2.821 2.764 5.208 4.785 4.501 2.447 2.365 2.306 2.262 2.228 2.201 2.179 2.160 2.145 2.131 3.707 3.499 3.355 5.959 5.408 5.041 4,781 4.587 1.860 1.833 1.812 4.297 3.250 10 3. 169 10 4,144 3.106 3.055 3.012 2.977 11 12 13 4.437 4.318 11 1.796 2.718 2.681 2.650 2.624 2.602 4.025 3.930 3.852 3.787 12 1.782 1.771 4.221 4.140 4.073 13 14 15 14 15 1.761 2.947 1.753 3.733 16 17 18 19 20 2.120 2.110 2.101 2.093 2.921 2.898 2.878 2.861 2.845 4.015 3.965 3.922 3.883 3.850 16 3.686 1.746 1.740 1.734 1.729 1.725 2.583 2.567 2.552 2.539 2.528 17 18 19 20 3.646 3.610 3.579 3.552 2.086 21 22 23 24 2.080 2074 2.069 2.064 2.060 2.831 3.819 3.792 3.767 21 22 23 24 1.721 1.717 1.714 2.518 2.508 3.527 3.506 3.485 3.467 3.450 2.819 2.807 2.797 2.787 2.500 2.492 2.485 3.745 3.725 1.711 1.708 25 25 26 27 2.056 2.052 2.048 2.045 2.042 2.779 2.771 2.763 2.756 3.707 3.690 26 27 1.706 2479 3.435 3.421 3.408 1.703 1.701 1.699 1.697 2473 28 29 30 3.674 3.659 3.646 28 29 30 2.467 2462 3.395 3.385 2.750 2.457 40 60 120 2.021 2.000 1.980 2.704 3.551 3.460 3373 3291 40 1.684 1.671 1.658 1.645 2.423 2.390 2.358 2.326 3.307 2,660 2.617 2.576 60 120 3.232 3. 180 3.090 1.960
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