Con?dence interval for the population average

Assignment Help Basic Statistics

Reference no: EM13968624

Digital media have recently begun to take over from print outlets.7 A news- paper owners' association wants to estimate the average number of times a week peo- ple buy a newspaper on the street. A random sample of 100 people reveals that the sample average is 3.2 and the sample standard deviation is 2.1. Construct a 95% con?dence interval for the population average.

Reference no: EM13968624

Questions Cloud

How do you perceive changes in social stereotypes : How do you perceive changes in social stereotypes, issues, and judgments regarding sexualities as potentially impacting changes in friendship, in the relationships, cultural expressions, and understandings of friendships

Con?dence interval for the average transit time : A transportation company wants to estimate the average length of time goods are in transit across the country. A random sample of 20 shipments gives x = 2.6 days and s = 0.4 day. Give a 99% con?dence interval for the average transit time.

What are the costs and benefits for management : What are the costs and benefits for management of allowing the union to decide how the economic package (compensation and benefits) should be divided

Interval for the average caloric content : Give a 95% con?dence interval for the average caloric content of a 3-ounce cut of top loin steak. Also give a 98% con?dence interval for the average caloric content of a cut.

Con?dence interval for the population average : Construct a 95% con?dence interval for the population average.

What management should do to obtain highest expected value : A manufacturing plant has reached full capacity. The company must build a second plant - either small or large at a nearby location. The demand is likely to be high or low. Draw a decision tree and solve to determine what management should do to obta..

What role does perception play in communication : What role does perception play in communication? What causes conflict? How might individuals’ cultural values in the workplace be used to resolve conflict?

Outsource the finishing process : Fast Finish, Inc. (FFI) has made a technological breakthrough in snow board finish application, FFI will apply the finish for .23 per unit in variable costs plus a fixed annual cost of $230,000. Use the cost and demand information given in problem 3 ..

Total productivity as measured in units of output per dollar : WinCo Electric Co produces 1,000 dryer motors each week. WimCo shuts the plant down two weeks each year, so production is only accomplished fifty weeks each year. The manufacturing line equipment costs 250,000 and will remain productive for five year..

User Account

All Pages