[Solution Library] The monthly incomes from a random sample of workers in a factory are shown below. Monthly Income (In $1,000) 4.0 5.0 7.0 4.0 6.0 6.0
Question: The monthly incomes from a random sample of workers in a factory are shown below.
| Monthly Income |
| (In $1,000) |
| 4.0 |
| 5.0 |
| 7.0 |
| 4.0 |
| 6.0 |
| 6.0 |
| 7.0 |
| 9.0 |
| a. | Compute the standard error of the mean (in dollars). |
| b. | Compute the margin of error (in dollars) at 95% confidence. |
| c. | Compute a 95% confidence interval for the mean of the population. Assume the population has a normal distribution. Give your answer in dollars. |
Deliverable: Word Document 
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