Name:
1) Time to respond for 911 calls was measured for 75 calls in two cities, C 1 and C 2. The results of the study were: Measure C1 C2
Sample size 75 75 Sample mean 5.4 6.1 Sample variance 1.57 2.54 This problem is solved exactly like Example 8.3 in th
STAT333 - Homework Solution 10
1 The original model is given below.
> out1=lm(cr~stem)
> summary(out1)
Call:
lm(formula = cr ~ stem)
Residuals:
Min
1Q Median
-1.8670 -0.4815 -0.2673
3Q
0.5816
Max
2.0881
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(
Stat 333 Midterm Exam - Spring 2011
Instructions:
1. This is an open-book, open-notes examination.
2. Do all your work in the spaces provided. If you need additional space for your work, indicate clearly where the additional
work can be found.
3. The par