Critical Values of t For a particular number of degrees of freedom, entry represents the critical value of t corresponding to the cumulative probability (1 - a) and a specified upper-tail area (or). Cumulative Probabilities 0.75 0.90 0.95 0.975 0.99 0.995 Degrees of Upper-Tail Areas Freedom 0.25 0.10 0.05 10.025 0.01 0.005 1.0000 3.0777 6.3138 12.7062 31.8207 63.6574 0.8165 1.8856 2.9200 4.3027 6.9646 9.9248 0.7649 1.6377 2.3534 3.1824 uitWN 4.5407 5.8409 0.7407 1.5332 2.1318 2.7764 3.7469 4.6041 0.7267 1.4759 2.0150 2.5706 3.3649 4.0322 0.7176 1.4398 1.9432 2.4469 3.1427 3.7074 0.7111 1.4149 1.8946 2.3646 2.9980 3.4995 10 00 4 0.7064 1.3968 1.8595 2.3060 2.8965 3.3554 0.7027 1.3830 1.8331 2.2622 2.8214 3.2498 10 0.6998 1.3722 1.8125 2.2281 2.7638 3.1693 11 0.6974 1.3634 1.7959 2.2010 2.7181 3.1058 12 0.6955 1.3562 1.7823 2.1788 2.6810 3.0545 13 0.6938 1.3502 1.7709 2.1604 2.6503 3.0123 14 0.6924 1.3450 1.7613 2.1448 2.6245 2.9768 15 0.6912 1.3406 1.7531 2.1315 2.6025 2.9467 16 0.6901 1.3368 1.7459 2.1199 2.5835 2.9208 17 0.6892 1.3334 1.7396 2.1098 2.5669 2.8982 18 0.6884 1.3304 1.7341 2.1009 2.5524 2.8784 19 0.6876 1.3277 1.7291 2.0930 2.5395 2.8609 20 0.6870 1.3253 1.7247 2.0860 2.5280 2.8453 21 0.6864 1.3232 1.7207 2.0796 2.5177 2.8314 22 0.6858 1.3212 1.7171 2.0739 2.5083 2.8188 23 0.6853 1.3195 1.7139 2.0687 2.4999 2.8073 24 0.6848 1.3178 1.7109 2.0639 2.4922 2.7969 25 0.6844 1.3163 1.7081 2.0595 2.4851 2.7874 26 0.6840 1.3150 1.7056 2.0555 2.4786 2.7787 0.6837 1.3137 1.7033 2.0518 2.4727 2.7707 28 0.6834 1.3125 1.7011 2.0484 2.4671 2.7633 29 0.6830 1.3114 1.6991 2.0452 2.4620 2.7564 30 0.6828 1.3104 1.6973 2.0423 2.4573 2.7500FA 31 0.6825 1.3095 1.6955 2.0395 2.4528 2.7440 32 0.6822 1.3086 1.6939 2.0369 2.4487 2.7385 33 0.6820 1.3077 1.6924 2.0345 2.4448 2.7333 34 0.6818 1.3070 1.6909 2.0322 2.4411 2.7284 35 0.6816 1.3062 1.6896 2.0301 2.4377 2.7238 36 0.6814 1.3055 1.6883 2.0281 2.4345 2.7195 37 0.6812 1.3049 1.6871 2.0262 2.4314 2.7154 38 0.6810 1.3042 1.6860 2.0244 2.4286 2.7116 39 0.6808 1.3036 1.6849 2.0227 2.4258 2.7079 40 0.6807 1.3031 1.6839 2.0211 2.4233 2.7045 0.6805 1.3025 1.6829 2.0195 2.4208 2.7012 0.6804 1.3020 1.6820 2.0181 2.4185 2.6981 0.6802 1.3016 1.6811 2.0167 2.4163 2.6951 0.6801 1.3011 1.6802 2.0154 2.4141 2.6923 0.6800 1.3006 1.6794 2.0141 2.4121 2.6896 0.6799 1.3002 1.6787 2.0129 2.4102 2.6870 0.6797 1.2998 1.6779 2.0117 2.4083 2.6846 48 0.6796 1.2994 1.6772 2.0106 2.4066 2.6822In a one-tail hypothesis test where you reject Ho only in the upper tail, what is the critical value of the t-test statistic with 15 degrees of freedom at the 0.05 level of significance? Click to view the first page of the table of critical values of t. Click to view the second page of the table of critical values of t. The critical value of the t-test statistic is (Round to four decimal places as needed. )