Cost of Telephone Surveys. Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upon past studies, the population standard deviation is assumed known with s = 4 minutes. What is the p-value? At a=.01, what is your conclusion? Time 17 11 12 23 20 23 15 16 23 22 18 23 25 14 12 12 20 18 12 19 11 11 20 21 11 18 14 13 13 19 16 10 22 18 23
Cost of Telephone Surveys. Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upon past studies, the population standard deviation is assumed known with s = 4 minutes. What is the p-value? At a=.01, what is your conclusion? Time 17 11 12 23 20 23 15 16 23 22 18 23 25 14 12 12 20 18 12 19 11 11 20 21 11 18 14 13 13 19 16 10 22 18 23
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Cost of Telephone Surveys. Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file Fowle. Based upon past studies, the population standard deviation is assumed known with s = 4 minutes.
- What is the p-value?
- At a=.01, what is your conclusion?
Time
17
11
12
23
20
23
15
16
23
22
18
23
25
14
12
12
20
18
12
19
11
11
20
21
11
18
14
13
13
19
16
10
22
18
23
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