The Monthly Incomes from a Random Sample of Workers in a Factory

question 25

Essay

The monthly incomes from a random sample of workers in a factory are shown below.

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.

---

Definitions:

Detailed

Describes information or work that is done with thoroughness and precision.

Job Families

Groups of occupations within an organization based upon work performed, skills, education, training, and credentials.

Knowledge, Skills

Pertains to the competencies and expertise that individuals possess, which enable them to perform tasks effectively.

Job Descriptions

Detailed explanations of the roles, responsibilities, required qualifications, and reporting relationships of a specific job within an organization.