Log-in | Contact Jeff | Email Updates

Question 197:

Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. What is the planning value for the population standard deviation (0 decimals)?

How large a sample should be taken if the desired margin of error is as shown below (0 decimals)?

a. $500? __________

b. $200? __________

c. $100? __________

d. Would you recommend trying to obtain the $100 margin of error?

Need more than just an answer? Download the EasyStats Excel Calculator Package which gets you the answer with the detailed calculations.

Not what you were looking for or need help?

Ask a new Question

Browse All 872 Questions

Search All Questions: