Personnel files choose to evaluate with confidence interval

Reference no: EM13110190

Company is interested in evaluating the mean number of days of sick leave taken by its employees. Firm's statistician randomly chooses 100 personnel files and notes number of sick days taken by each employee. Sample mean is 12.2 days and sample standard deviation is 10 days. How many personnel files would director have to choose to evaluate to within 2 days with 99% confidence interval?

Reference no: EM13110190

Questions Cloud

What were some of the effects of the naturalistic : What were some of the effects of the naturalistic world view upon science? Upon society at large?

Consumer research and branding strategy : What is the consumer research behind the growth of Toyota and the brand strategy they have in place? Discuss the brand strength behind Toyota.

Applied managerial statistics : CD Camera produces a new camera that it claims can take an average of more than 7 photographs per second. A test of 36 randomly selected cameras yielded the following sample values:

Describe what would be the specific probable effects : Describe what would be the specific probable effects on the cell if each of these organelles were lost. Try to avoid picking the same pair as other students in your class.

Personnel files choose to evaluate with confidence interval : Sample mean is 12.2 days and sample standard deviation is 10 days. How many personnel files would director have to choose to evaluate to within 2 days with 99% confidence interval?

Appropriate hypothesis test using alpha : A sales manager wants to know if the sales productivity of her east region is greater than the sales productivity of her west region

Describe what would be the specific probable effects on cell : Eukaryotic cells are complex in organization and structure, especially when you consider their small size. Consider the organelle contents of the typical eukaryotic cell.

Discuss legal and ethical issues surrounding solyndra : Discuss the legal and ethical issues surrounding Solyndra, the California based solar panel manufacturer. You will need to research the company through the University library.

How many pounds of potatoes will she purchase : Subsequent pounds are worth $0.30, how many pounds of potatoes will she purchase? What if she only had $3.00 to spend?

User Account

All Pages