Assignment:
Formulate a statistical hypothesis appropriate for the consumer group's purpose.
Compute the mean average miles per gallon.
Compute the sample variance and sample standard deviation.
Determine the most appropriate test using the 0.05 significance level.
|
Purchaser
|
Miles Per Gallon, x
|
|
1
|
30.9
|
|
2
|
24.5
|
|
3
|
31.2
|
|
4
|
28.7
|
|
5
|
35.1
|
|
6
|
29
|
|
7
|
28.8
|
|
8
|
23.1
|
|
9
|
31
|
|
0
|
30.2
|
|
11
|
28.4
|
|
12
|
29.3
|
|
13
|
27
|
|
14
|
26.7
|
|
15
|
31
|
|
16
|
23.5
|
|
17
|
29.4
|
|
18
|
26.3
|
|
19
|
27.5
|
|
20
|
28.2
|
|
21
|
28.4
|
|
22
|
29.1
|
|
23
|
21.9
|
|
24
|
30.9
|