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The following is a correlation matrix among family size X weekly grocery bill Y and income Z for a random sample of 50 families x. y. z x. 1.00. .60. .20 y. .60. 1.00 .30 z. .20. .30. 1.00 Which of the correlations are significant at the .05 alpha level? Calculate the partial correlation between family size and grocery bill holding income constant and then determine if this partial correlation is significant. Find the critical value using the table that is attached see the attached information

The following is a correlation matrix among family size X weekly grocery bill Y and income Z for a random sample of 50 families x. y. z x. 1.00. .60. .20 y. .60. 1.00 .30 z. .20. .30. 1.00 Which of the correlations are significant at the .05 alpha level? Calculate the partial correlation between family size and grocery bill holding income constant and then determine if this partial correlation is significant. Find the critical value using the table that is attached see the attached information

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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The following is a correlation matrix among family size X weekly grocery bill Y and income Z for a random sample of 50 families x. y. z x. 1.00. .60. .20 y. .60. 1.00 .30 z. .20. .30. 1.00 Which of the correlations are significant at the .05 alpha level? Calculate the partial correlation between family size and grocery bill holding income constant and then determine if this partial correlation is significant. Find the critical value using the table that is attached see the attached information
the critica blem. * on 1: +0.5 tion 3: +C stion 5:- destion 7 Question Questic 0000 72 10000) 160 110030 120 1301,00 1X42 = 1100- (20) (30) 11- ((202) 1-302) =,60-०,०५ T-004T-0,09 15994 919011915 पर्य ८.95/%,95)) 5994 @ 1931 = 10,56 @xy+yzore Significent X 8 Br 75 .706, 6 76664 6319 .6021 10 5760 11 5529 12 .5324 23 .5139 4973 4821 9 4
Transcribed Image Text:the critica blem. * on 1: +0.5 tion 3: +C stion 5:- destion 7 Question Questic 0000 72 10000) 160 110030 120 1301,00 1X42 = 1100- (20) (30) 11- ((202) 1-302) =,60-०,०५ T-004T-0,09 15994 919011915 पर्य ८.95/%,95)) 5994 @ 1931 = 10,56 @xy+yzore Significent X 8 Br 75 .706, 6 76664 6319 .6021 10 5760 11 5529 12 .5324 23 .5139 4973 4821 9 4
Slan .05 .99692 .95000 .8783 .8114 .7545 .7067 6664 ,6319 .6021 .5760 .5529 12 .5324 13 .5139 14 4973 15 .4821 df 1 2 3 4 5 6 7 8 9 10 (1 .01 .999877 .990000 95873 91720 .8745 .8343 .7977 .7646 .7348 .7079 .6835 .6614 .6411 .6226 .6055 45 50 60 70 80 90 dif 16 17 18 19 20 25 30 35 40 .05 4683 .4555 .4438 .4329 .4227 .3809 .3494 3246 .3044 2875 2732 2500 2319 2172 2050 of .01 .5897 5751 5614 5487 .5368 .4869 .4487 4182 3932 3721 3541 .3248 .3017 2830 .2673 Ta Sig 10 12 14
Transcribed Image Text:Slan .05 .99692 .95000 .8783 .8114 .7545 .7067 6664 ,6319 .6021 .5760 .5529 12 .5324 13 .5139 14 4973 15 .4821 df 1 2 3 4 5 6 7 8 9 10 (1 .01 .999877 .990000 95873 91720 .8745 .8343 .7977 .7646 .7348 .7079 .6835 .6614 .6411 .6226 .6055 45 50 60 70 80 90 dif 16 17 18 19 20 25 30 35 40 .05 4683 .4555 .4438 .4329 .4227 .3809 .3494 3246 .3044 2875 2732 2500 2319 2172 2050 of .01 .5897 5751 5614 5487 .5368 .4869 .4487 4182 3932 3721 3541 .3248 .3017 2830 .2673 Ta Sig 10 12 14
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