Compute the sample variance and sample standard deviation

Reference no: EM13785282

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

Reference no: EM13785282

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