Assignment
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k11.docx1. 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 α=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.
