This problem is based on problems 18.1, 18.2, 18.9, & 18.10 from Lomax & Hahs-Vaughn, 3rd ed. You are given the following data, where X1 (final percentage in history class) and X2 (number of absences)...

This problem is based on problems 18.1, 18.2, 18.9, & 18.10 from Lomax & Hahs-Vaughn, 3rd ed.




You are given the following data, where X1 (final percentage in history class) and X2 (number of absences) are used to predict Y (standardized history test score in fifth grade):

Y	X1	X2
300	65	7
350	78	3
450	89	1
390	80	1
370	75	4
375	92	6
485	99	0
375	88	3
415	95	2
465	92	2
420	80	2
345	70	3

Determine the following multiple regression values.


Report intercept and slopes for regression equation accurate to 3 decimal places:
    Intercept:  a=
    Partial slope X1:  b1=
    Partial slope X2:  b2=




Report sum of squares accurate to 3 decimal places:
    SSreg=
    SSTotal=


Test the significance of the overall regression model (reportF-ratio accurate to 3 decimal places andP-value accurate to 4 decimal places):
F-ratio =
P-value =


Report the variance of the residuals accurate to 3 decimal places:
    s2res=


Report the test statistics for the regression coefficients accurate to 3 decimal places:
    t1=
    t2=