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You may need to use the appropriate appendix table or technology to answer this question. Older people often have a hard time finding work. A research group 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 is given in the table below. 28 21 58 23 24 21 23 19 55 7 34 24 39 31 19 17 59 28 33 21 20 31 26 35 33 33 17 28 51 43 29 946 24 24 17 26 23 29 12 29 (a) Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. 29 weeks (b) At 95% confidence, what is the margin of error? (Round your answer to three decimal places.) 3.166 weeks (c) What is the 95% confidence interval estimate of the mean? (Round your answers to two decimal places.) 25.83 weeks to 32.17 x weeks (d) Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study? One might suggest collecting A histogram of the data shows evidence that the distribution may be skewed to the right. a larger sample in the future.

You may need to use the appropriate appendix table or technology to answer this question. Older people often have a hard time finding work. A research group 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 is given in the table below. 28 21 58 23 24 21 23 19 55 7 34 24 39 31 19 17 59 28 33 21 20 31 26 35 33 33 17 28 51 43 29 946 24 24 17 26 23 29 12 29 (a) Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. 29 weeks (b) At 95% confidence, what is the margin of error? (Round your answer to three decimal places.) 3.166 weeks (c) What is the 95% confidence interval estimate of the mean? (Round your answers to two decimal places.) 25.83 weeks to 32.17 x weeks (d) Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study? One might suggest collecting A histogram of the data shows evidence that the distribution may be skewed to the right. a larger sample in the future.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 16E
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You may need to use the appropriate appendix table or technology to answer this question. Older people often have a hard time finding work. A research group 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 is given in the table below. 28 21 58 23 24 21 23 19 55 7 34 24 39 31 19 17 59 28 33 21 20 31 26 35 33 33 17 28 51 43 29 946 24 24 17 26 23 29 12 29 (a) Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. 29 weeks (b) At 95% confidence, what is the margin of error? (Round your answer to three decimal places.) 3.166 weeks (c) What is the 95% confidence interval estimate of the mean? (Round your answers to two decimal places.) 25.83 weeks to 32.17 x weeks (d) Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study? One might suggest collecting A histogram of the data shows evidence that the distribution may be skewed to the right. a larger sample in the future.
Transcribed Image Text:You may need to use the appropriate appendix table or technology to answer this question. Older people often have a hard time finding work. A research group 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 is given in the table below. 28 21 58 23 24 21 23 19 55 7 34 24 39 31 19 17 59 28 33 21 20 31 26 35 33 33 17 28 51 43 29 946 24 24 17 26 23 29 12 29 (a) Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. 29 weeks (b) At 95% confidence, what is the margin of error? (Round your answer to three decimal places.) 3.166 weeks (c) What is the 95% confidence interval estimate of the mean? (Round your answers to two decimal places.) 25.83 weeks to 32.17 x weeks (d) Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study? One might suggest collecting A histogram of the data shows evidence that the distribution may be skewed to the right. a larger sample in the future.
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