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Calculate the value of r and test if there is a significant relationship between age of persons and weight at 2% level of significance. Age of Person, in years 11 12 13 14 15 16 17 18 19 20 (X) Weight, in kg (Y) 40 42 38 35 45 51 48 48 50 47

Calculate the value of r and test if there is a significant relationship between age of persons and weight at 2% level of significance. Age of Person, in years 11 12 13 14 15 16 17 18 19 20 (X) Weight, in kg (Y) 40 42 38 35 45 51 48 48 50 47

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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Calculate the value of r and test if there is a significant relationship between age of persons and weight at 2% level of significance. Age of Person, in years 11 12 13 14 15 16 17 18 19 20 (X) Weight, in kg (Y) 40 42 38 35 45 51 48 48 50 47
Transcribed Image Text:Calculate the value of r and test if there is a significant relationship between age of persons and weight at 2% level of significance. Age of Person, in years 11 12 13 14 15 16 17 18 19 20 (X) Weight, in kg (Y) 40 42 38 35 45 51 48 48 50 47
Level of Significance of a One-Tailed or Directional Test Ho: p 5 0 or H: p 20 a = 0.025 a = 0.1 a = 0.05 a = 0.01 a = 0.005 a = 0.0005 Level of Significance of a Two-Tailed or Nondirectional Test Ho: p = 0 a = 0.02 df a = 0.2 a = 0.1 a = 0.05 a = 0.01 a = 0.001 0.9511 0.9877 0.9969 0.9995 0.9999 0.9999 0.8000 0.9000 0.9500 0.9800 0.9900 0.9990 3 0.6870 0.8054 0.8783 0.9343 0.9587 0.9911 4 0.6084 0.7293 0.8114 0.8822 0.9172 0.9741 5 0.5509 0.6694 0.7545 0.8329 0.8745 0.9509 0.5067 0.6215 0.7067 0.7887 0.8343 0.9249 0.4716 0.5822 0.6664 0.7977 0.8983 0.8721 0.7498 8 0.4428 0.5494 0.6319 0.7155 0.7646 0.4187 0.5214 0.6021 0.6851 0.7348 0.8470 10 0.3981 0.4973 0.5760 0.6581 0.7079 0.8233 11 0.3802 0.4762 0.5529 0.6339 0.6835 0.8010 12 0.3646 0.4575 0.5324 0.6120 0.6614 0.7800 0.5140 0.4973 13 0.3507 0.4409 0.5923 0.6411 0.7604 14 0.3383 0.4259 0.5742 0.6226 0.7419 15 0.3271 0.4124 0.4821 0.5577 0.6055 0.7247 16 0.3170 0.4000 0.4683 0.5425 0.5897 0.7084 17 0.3077 0.3887 0.4555 0.5285 0.5751 0.6932 0.5614 0.5487 18 0.2992 0.3783 0.4438 0.5155 0.6788 19 0.2914 0.3687 0.4329 0.5034 0.6652 20 0.2841 0.3598 0.4227 0.4921 0.5368 0.6524 21 0.2774 0.3515 0.4132 0.4815 0.5256 0.6402 22 0.2711 0.3438 0.4044 0.4716 0.5151 0.6287 0.3365 0.3297 0.6178 0.6074 23 0.2653 0.3961 0.4622 0.5052 0.3882 0.3809 24 0.2598 0.4534 0.4958 25 0.2546 0.3233 0.4451 0.4869 0.5974 30 0.2327 0.2960 0.3494 0.4093 0.4487 0.5541 35 0.2156 0.2746 0.3246 0.3810 0.4182 0.5189 40 0.2018 0.2573 0.3044 0.3578 0.3932 0.4896 50 0.1806 0.2306 0.2732 0.3218 0.3542 0.4432 60 0.1650 0.2108 0.2500 0.2948 0.3248 0.4079 0.2737 0.2565 70 0.1528 0.1954 0.2319 0.3017 0.3798 80 0.1430 0.1829 0.2172 0.2830 0.3568 90 0.1348 0.1726 0.2050 0.2422 0.2673 0.3375 100 0.1279 0.1638 0.1946 0.2301 0.2540 0.3211 150 0.1045 0.1339 0.1593 0.1886 0.2084 0.2643 300 0.0740 0.0948 0.1129 0.1338 0.1480 0.1884 500 0.0573 0.0735 0.0875 0.1038 0.1149 0.1464 1000 0.0405 0.0520 0.0619 0.0735 0.0813 0.1038
Transcribed Image Text:Level of Significance of a One-Tailed or Directional Test Ho: p 5 0 or H: p 20 a = 0.025 a = 0.1 a = 0.05 a = 0.01 a = 0.005 a = 0.0005 Level of Significance of a Two-Tailed or Nondirectional Test Ho: p = 0 a = 0.02 df a = 0.2 a = 0.1 a = 0.05 a = 0.01 a = 0.001 0.9511 0.9877 0.9969 0.9995 0.9999 0.9999 0.8000 0.9000 0.9500 0.9800 0.9900 0.9990 3 0.6870 0.8054 0.8783 0.9343 0.9587 0.9911 4 0.6084 0.7293 0.8114 0.8822 0.9172 0.9741 5 0.5509 0.6694 0.7545 0.8329 0.8745 0.9509 0.5067 0.6215 0.7067 0.7887 0.8343 0.9249 0.4716 0.5822 0.6664 0.7977 0.8983 0.8721 0.7498 8 0.4428 0.5494 0.6319 0.7155 0.7646 0.4187 0.5214 0.6021 0.6851 0.7348 0.8470 10 0.3981 0.4973 0.5760 0.6581 0.7079 0.8233 11 0.3802 0.4762 0.5529 0.6339 0.6835 0.8010 12 0.3646 0.4575 0.5324 0.6120 0.6614 0.7800 0.5140 0.4973 13 0.3507 0.4409 0.5923 0.6411 0.7604 14 0.3383 0.4259 0.5742 0.6226 0.7419 15 0.3271 0.4124 0.4821 0.5577 0.6055 0.7247 16 0.3170 0.4000 0.4683 0.5425 0.5897 0.7084 17 0.3077 0.3887 0.4555 0.5285 0.5751 0.6932 0.5614 0.5487 18 0.2992 0.3783 0.4438 0.5155 0.6788 19 0.2914 0.3687 0.4329 0.5034 0.6652 20 0.2841 0.3598 0.4227 0.4921 0.5368 0.6524 21 0.2774 0.3515 0.4132 0.4815 0.5256 0.6402 22 0.2711 0.3438 0.4044 0.4716 0.5151 0.6287 0.3365 0.3297 0.6178 0.6074 23 0.2653 0.3961 0.4622 0.5052 0.3882 0.3809 24 0.2598 0.4534 0.4958 25 0.2546 0.3233 0.4451 0.4869 0.5974 30 0.2327 0.2960 0.3494 0.4093 0.4487 0.5541 35 0.2156 0.2746 0.3246 0.3810 0.4182 0.5189 40 0.2018 0.2573 0.3044 0.3578 0.3932 0.4896 50 0.1806 0.2306 0.2732 0.3218 0.3542 0.4432 60 0.1650 0.2108 0.2500 0.2948 0.3248 0.4079 0.2737 0.2565 70 0.1528 0.1954 0.2319 0.3017 0.3798 80 0.1430 0.1829 0.2172 0.2830 0.3568 90 0.1348 0.1726 0.2050 0.2422 0.2673 0.3375 100 0.1279 0.1638 0.1946 0.2301 0.2540 0.3211 150 0.1045 0.1339 0.1593 0.1886 0.2084 0.2643 300 0.0740 0.0948 0.1129 0.1338 0.1480 0.1884 500 0.0573 0.0735 0.0875 0.1038 0.1149 0.1464 1000 0.0405 0.0520 0.0619 0.0735 0.0813 0.1038
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