1:
Given the following portion of an output produced by a
regression software package (with some values
missing), find the value of MSE:
ANOVA
df
SS
MS
F
Significance F
Regression
6
1266.7629
?
?
?
Residual
36
227.1301
?
Total
42
1493.893
Round your answer to three decimal places.
2:Regression analysis was applied between sales
data (in $1,000s) and advertising data (in $100s) and the following
information was obtained:
= -17.2 + 19.6x
n = 132
SSR = 125
SSE = 246
sb1 = 0.6479
What is the value
of F-statistic computed from
the above data? Round your answer to three
decimal places.
3:
You are given the following information about the data set
containing variables y and x:
3.0, 3.8
The least squares method yields the following value for
the slope of estimated regression equation:
b1 = 7.9
Find the estimated value
of y when x =
8.6; show your answer with two decimal
places