Question
You are given the following data, where X1X1 (final percentage in science class) and X2X2 (number of absences) are used to predict YY (standardized science
You are given the following data, where X1X1 (final percentage in science class) and X2X2 (number of absences) are used to predict YY (standardized science test score in third grade):
Y X1 X2
480 98 0
415 95 2
310 61 5
345 70 3
350 70 3
450 89 1
400 82 0
465 92 2
375 92 6
390 80 1
420 80 2
410 72 1
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
SSres
Test the significance of the overall regression model (report F-ratio accurate to 3 decimal places and P-value accurate to 4 decimal places):
F-ratio =
P-value =
Report the variance of the residuals accurate to 3 decimal places:
MSres=
Report the test statistics for the regression coefficients accurate to 3 decimal places:
t1=
t2=
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