Assignment
1. A rental car company wants to investigate whether the type of car rented affects the length of the rental period. An experiment is run for one week at a particular location, and 10 rental contracts are selected at random for each car type. The results are shown in the following table.
Type of Car
Observations
Sub-compact
4
6
4
8
7
6
4
3
2
7
Compact
2
4
5
8
6
7
4
3
2
8
Midsize
5
2
4
6
8
2
3
5
3
8
Full Size
4
6
8
6
11
4
5
8
3
8
Is there evidence to support a claim that the type of car rented affects the length of the rental contract? Use =0.05. Solve this problem using either Excel or Minitab.
2. A computer ANOVA output is shown below. Fill in the blanks. You may give bounds on the P-value.
One-way ANOVA
Source
DF
SS
MS
F
P
Factor
3
36.15
?
?
?
Error
?
?
?
Total
19
196.04
3. Watch this short video on “Analysis of Variance (ANOVA) Overview”. Then summarize what you learned about ANOVA from this video. Illustrate your answer with an example.
