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. 47 28 21 11 22 29 11 26 54 29 50 16 13 11 24 35 15 16 26 22 24 26 32 40 29 28 21 19 24 44 13 1 31 4 53 19 16 21 19 21 a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round your answer to two decimal places. 22 weeks b. At 95% confidence, what is the margin of error? Round your answer to four decimal places. c. What is the 95% confidence interval estimate of the mean? Round your answers to two decimal places.
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. 47 28 21 11 22 29 11 26 54 29 50 16 13 11 24 35 15 16 26 22 24 26 32 40 29 28 21 19 24 44 13 1 31 4 53 19 16 21 19 21 a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round your answer to two decimal places. 22 weeks b. At 95% confidence, what is the margin of error? Round your answer to four decimal places. c. What is the 95% confidence interval estimate of the mean? Round your answers to two decimal places.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![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 the number of weeks spent searching for a job is contained in the table below.
| 47 | 50 | 24 | 13 |
|----|----|----|----|
| 28 | 16 | 26 | 1 |
| 21 | 13 | 32 | 31 |
| 11 | 11 | 40 | 4 |
| 22 | 24 | 29 | 53 |
| 29 | 35 | 28 | 19 |
| 11 | 15 | 21 | 16 |
| 26 | 16 | 19 | 21 |
| 54 | 26 | 24 | 19 |
| 29 | 22 | 44 | 21 |
a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round your answer to two decimal places.
Answer: 22 weeks
b. At 95% confidence, what is the margin of error? Round your answer to four decimal places.
Answer: [Blank]
c. What is the 95% confidence interval estimate of the mean? Round your answers to two decimal places.
Answer: ([Blank], [Blank])
d. Find the skewness. Round your answer to four decimal places.
Answer: [Blank]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F35a1c901-d491-469e-80e3-cca996db5f2a%2F585926a6-3ce5-4a11-85dc-c14213ff6e58%2Fzo5lk77_processed.png&w=3840&q=75)
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 the number of weeks spent searching for a job is contained in the table below.
| 47 | 50 | 24 | 13 |
|----|----|----|----|
| 28 | 16 | 26 | 1 |
| 21 | 13 | 32 | 31 |
| 11 | 11 | 40 | 4 |
| 22 | 24 | 29 | 53 |
| 29 | 35 | 28 | 19 |
| 11 | 15 | 21 | 16 |
| 26 | 16 | 19 | 21 |
| 54 | 26 | 24 | 19 |
| 29 | 22 | 44 | 21 |
a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. Round your answer to two decimal places.
Answer: 22 weeks
b. At 95% confidence, what is the margin of error? Round your answer to four decimal places.
Answer: [Blank]
c. What is the 95% confidence interval estimate of the mean? Round your answers to two decimal places.
Answer: ([Blank], [Blank])
d. Find the skewness. Round your answer to four decimal places.
Answer: [Blank]
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