5. The print out below pertains to a regression analyses. Predictor Coef SE Coef

Question

5.         The print out below pertains to a regression analyses.

Predictor     Coef        SE Coef         T          P

Constant   143.895    5.898              24.40 0.000

Age        -1.1135         0.1326            -8.40 0.000

Severity   -0.5849       0.1320            -4.43 0.000

Anxiety      1.296        1.056               1.23    0.233

Analysis of Variance

Source                         DF       SS      MS                  F         P

Regression .A         9738.3 3246.1            B        C

Residual Error           21        1039.9    49.5

Total                           24       10778.2

a) What is the regression expression

b) what are A, B, C

c) What is R2

Explanation / Answer

a) = 143.895 + age*-1.1135+ severity*-0.5849 + anxiety*1.296
b) A = 24-21 =3 , B = 3246.1/49.5 = 65.58 , C= from f distribution table 4.8740
c) for r^2 use need full data

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