Taili Huang th22624
M349R HW#5
Problem 1 (txt 6.4)
a. Since B1 is bigger than 0 (0.5), and there is no quadratic time variable, the trend in the long run is a straight line
growth.
b. From the plot, it looks like the data exhibits constant seasonal variat
HW4 Taili Huang
5.13.
a)The equal variance assumption is satisfied because there is no cluster nor
pattern of blowing outward/inward in the residual plot on the right.
b)The SAS output shows that the 95%
confidence interval for the upkeep of a house value
Taili Huang HW#3
1.
a)
ods html;
ods graphics on;
proc reg data=Cereal;
model calories=sugars;
run;
ods graphics off;
ods html close;
We need to first examine the linearity of the
scatterplot. The scatterplot shows that the
relationship between calories a