QUESTION 17 Use computer software to obtain the multiple regression equation and

Question

QUESTION 17 Use computer software to obtain the multiple regression equation and identify A wildlife analyst gathered the data in the table to develop an equation to predict the we WEIGHT as the dependent variable and CHEST, LENGTH, and SEX as the independent var male-1 and female-2. R2, adju WEIGHT CHEST LENGTH SEX 34 45.0 67.51 416 540 720 1 220 41.0 70.0 360 49.0 685 1 332 440 73.0 140 320 63.0 2 436 330 640 1 48.0 33.0 72.0 150 480 610 40.0 365 50.0 70.5 590 1 63.0 202 350640 2 0.725, 0.961, 0014 0.927,0.900, 0.000 0.971, 0.723, 0.000 0.891, 0.926, 0.003 QUESTION 18 Use computer software to obtain the multiple regression equation. Use the estimated equation to find Click Save and Submit to sove and submit. Cick Sove AlIl Answers to save all answers F6 F7

Explanation / Answer

Sol:
Go to

Data >Data analysis >Regression

R sq=0.927

Ad j Rsq=0.89=0.90

OPTION B

0.927,0.900,0.000

SUMMARY OUTPUT Regression Statistics Multiple R 0.962941 R Square 0.927255 Adjusted R Square 0.899976 Standard Error 35.21784 Observations 12 ANOVA df SS MS F Significance F Regression 3 126477.9 42159.29 33.99131 6.69E-05 Residual 8 9922.37 1240.296 Total 11 136400.3 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept -442.601 196.2252 -2.25558 0.054094 -895.098 9.894904 chest 12.12851 2.350282 5.160452 0.000863 6.708756 17.54827 length 3.577927 3.40122 1.051954 0.323555 -4.2653 11.42115 sex -23.844 25.11364 -0.94944 0.370191 -81.7562 34.06817

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