Critical t values f Distribution: Critical/Values Left tail Area in One Tail 0.005 0.01 0.025 0.05 0.10 Degrees of Area in Two Tails Freedom 0.01 0.02 0.05 0.10 0.20 Degrees of Freedom 1 63.657 31.821 12.706 6.314 3.078 2 9.825 6.965 4.303 2.920 1.886 2 5.841 4.541 3.182 2.353 1.638 4.604 3.747 2.776 2.132 1.533 4.032 3.365 2.571 2015 1.478 3.707 3.143 2.447 1.943 1.440 3.499 2.998 2.365 1.895 1.415 3.355 2.896 2.306 1.860 1.397 3.250 2.821 2.262 1.833 1.383 Critical t value (negative) 10 3.169 2.764 2.228 1.812 1.372 10 11 3.106 2.718 2.201 1.796 1.363 11 12 3.055 2.681 2.179 1.782 1.356 12 13 3.012 2.650 2.160 1.771 1.350 13 14 2.977 2.624 2.145 1.761 1.345 14 15 2.947 2.602 2.131 1.753 1.341 15 Right tail 16 2.921 2.583 2.120 1.746 1.337 16 17 2.898 2.567 2.110 1.740 1.333 17 18 2.878 2552 2.101 1.734 1.330 18 19 2.861 2.539 2.093 1.729 1.328 19 20 2.845 2.528 2.086 1.725 1.325 20 21 2.831 2.518 2.080 1.721 1.323 21 22 2.819 2.508 2.074 1.717 1.321 22 23 2.807 2.500 2.069 1.714 1319 23 24 2.797 2.492 2.064 1.711 1.318 24 25 2.787 2.485 2.060 1.708 1.316 25 26 2.779 2.479 2.056 1.706 1.315 26 27 2.771 2.473 2.052 1.703 1.314 27 Critical t value 28 2.763 2.467 2048 1.701 1.313 28 (positive) 29 2.756 2.462 2.045 1.699 1.311 29 30 2.750 2.457 2.042 1.697 1.310 30 31 2.744 2.453 2.040 1.606 1.309 31 32 2.738 2.449 2.037 1.694 1.309 32 33 2.733 2.445 2.035 1.692 1.308 33 34 2.728 2.441 2.032 1.691 1.307 34 35 2.724 2.438 2.030 1.690 1.306 35 36 2.719 2.434 2.028 1.688 1.306 36 Two tails 37 2.715 2.431 2.026 1.687 1.305 37 38 2.712 2.429 2.024 1.686 1.304 38 39 2.708 2.426 2.023 1.685 1.304 40 2.704 2.423 2.021 1.664 1.303 40 45 2.690 2.412 2014 1.679 1.301 45 2.678 2.403 2009 1.676 1.299 2.660 2.390 2.000 1.671 1.296 2.648 2.381 1994 1.867 1294 20 a/2 a/2 2.639 2.374 1.990 1664 1.292 2.632 2.368 1.987 1.662 1291 2.626 2.364 1964 1.290 100 2.601 2.345 1.972 1653 1.286 200 Critical value (negative) Critical f value 300 2.502 2.339 1.968 1.650 1.284 300 (positive) 400 2.588 2.336 1.966 1649 1.284 400 500 2.506 2.334 1.965 1.643 1.283 1000 2.501 2.330 1.962 1.646 1000 2000 2.578 2.326 1961 1.282 2000 Large 2.570 2.320 1.900 1.645 1.282 Large Area in One Tail 0.006 0.01 0.025 0.05 0.10 Degrees of Area in Two Tails Freedom 0.01 0.02 0.06 0.10 0.20 Free Cumulative area to the left of negative z scores NEGATIVE z Scores 777777799 Standard Normal (z) Cumulative area to the left of positive z scores Cumulative POSITIVE z Scores eeeeeeee-
Critical t values f Distribution: Critical/Values Left tail Area in One Tail 0.005 0.01 0.025 0.05 0.10 Degrees of Area in Two Tails Freedom 0.01 0.02 0.05 0.10 0.20 Degrees of Freedom 1 63.657 31.821 12.706 6.314 3.078 2 9.825 6.965 4.303 2.920 1.886 2 5.841 4.541 3.182 2.353 1.638 4.604 3.747 2.776 2.132 1.533 4.032 3.365 2.571 2015 1.478 3.707 3.143 2.447 1.943 1.440 3.499 2.998 2.365 1.895 1.415 3.355 2.896 2.306 1.860 1.397 3.250 2.821 2.262 1.833 1.383 Critical t value (negative) 10 3.169 2.764 2.228 1.812 1.372 10 11 3.106 2.718 2.201 1.796 1.363 11 12 3.055 2.681 2.179 1.782 1.356 12 13 3.012 2.650 2.160 1.771 1.350 13 14 2.977 2.624 2.145 1.761 1.345 14 15 2.947 2.602 2.131 1.753 1.341 15 Right tail 16 2.921 2.583 2.120 1.746 1.337 16 17 2.898 2.567 2.110 1.740 1.333 17 18 2.878 2552 2.101 1.734 1.330 18 19 2.861 2.539 2.093 1.729 1.328 19 20 2.845 2.528 2.086 1.725 1.325 20 21 2.831 2.518 2.080 1.721 1.323 21 22 2.819 2.508 2.074 1.717 1.321 22 23 2.807 2.500 2.069 1.714 1319 23 24 2.797 2.492 2.064 1.711 1.318 24 25 2.787 2.485 2.060 1.708 1.316 25 26 2.779 2.479 2.056 1.706 1.315 26 27 2.771 2.473 2.052 1.703 1.314 27 Critical t value 28 2.763 2.467 2048 1.701 1.313 28 (positive) 29 2.756 2.462 2.045 1.699 1.311 29 30 2.750 2.457 2.042 1.697 1.310 30 31 2.744 2.453 2.040 1.606 1.309 31 32 2.738 2.449 2.037 1.694 1.309 32 33 2.733 2.445 2.035 1.692 1.308 33 34 2.728 2.441 2.032 1.691 1.307 34 35 2.724 2.438 2.030 1.690 1.306 35 36 2.719 2.434 2.028 1.688 1.306 36 Two tails 37 2.715 2.431 2.026 1.687 1.305 37 38 2.712 2.429 2.024 1.686 1.304 38 39 2.708 2.426 2.023 1.685 1.304 40 2.704 2.423 2.021 1.664 1.303 40 45 2.690 2.412 2014 1.679 1.301 45 2.678 2.403 2009 1.676 1.299 2.660 2.390 2.000 1.671 1.296 2.648 2.381 1994 1.867 1294 20 a/2 a/2 2.639 2.374 1.990 1664 1.292 2.632 2.368 1.987 1.662 1291 2.626 2.364 1964 1.290 100 2.601 2.345 1.972 1653 1.286 200 Critical value (negative) Critical f value 300 2.502 2.339 1.968 1.650 1.284 300 (positive) 400 2.588 2.336 1.966 1649 1.284 400 500 2.506 2.334 1.965 1.643 1.283 1000 2.501 2.330 1.962 1.646 1000 2000 2.578 2.326 1961 1.282 2000 Large 2.570 2.320 1.900 1.645 1.282 Large Area in One Tail 0.006 0.01 0.025 0.05 0.10 Degrees of Area in Two Tails Freedom 0.01 0.02 0.06 0.10 0.20 Free Cumulative area to the left of negative z scores NEGATIVE z Scores 777777799 Standard Normal (z) Cumulative area to the left of positive z scores Cumulative POSITIVE z Scores eeeeeeee-
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
Related questions
Question
100%
A data set includes 107 body temperatures of healthy adult humans having a mean of 98.7°F and a standard deviation of 0.72°F. Construct a 99% confidence interval estimate of the mean body temperature of all healthy humans. What does the sample suggest about the use of 98.6°F as the mean body temperature?
What is the confidence interval estimate of the population mean u?
°F < u < °F
(Round to three decimal places as needed.)
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