Older people often have a hard time finding work. AARP reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job contained in the table below. 11 41 17 46 39 31 46 33 40 6. 31 19 15 13 3. 1 6. 2 47 21 31 22 9. 1 12 23 25 7. 29 3 45 51 14 a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round the answer to two decimal places. weeks b. At 95% confidence, what is the margin of error? Round the answer to four decimal places. c. What is the 95% confidence interval estimate of the mean? Round the answe swers to two decimal places. d. Find the skewness. Round the answer to four decimal places. Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study. Considering a slightly larger sample next time- Select your answer - a good strategy. 5.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Older people often have a hard time finding work. AARP reported on the number of
weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent
searching for a job contained in the table below.
11
41
17
46
39
31
46
33
40
6.
31
19
15
13
3
6.
47
6.
21
31
22
6.
12
23
25
7.
29
6.
3
45
51
14
a. Provide a point estimate of the population mean number of weeks it takes a worker
aged 55 plus to find a job. Round the answer to two decimal places.
weeks
b. At 95% confidence, what is the margin of error? Round the answer to four decimal
places.
c. What is the 95% confidence interval estimate of the mean? Round the answers to two
decimal places.
d. Find the skewness. Round the answer to four decimal places.
Discuss the degree of skewness found in the sample data. What suggestion would you
make for a repeat of this study.
Considering a slightly larger sample next time
Select your answer -
a good
strategy.
5.
5.
Transcribed Image Text:Older people often have a hard time finding work. AARP reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job contained in the table below. 11 41 17 46 39 31 46 33 40 6. 31 19 15 13 3 6. 47 6. 21 31 22 6. 12 23 25 7. 29 6. 3 45 51 14 a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round the answer to two decimal places. weeks b. At 95% confidence, what is the margin of error? Round the answer to four decimal places. c. What is the 95% confidence interval estimate of the mean? Round the answers to two decimal places. d. Find the skewness. Round the answer to four decimal places. Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study. Considering a slightly larger sample next time Select your answer - a good strategy. 5. 5.
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