Playbill magazine , Management Theories

Playbill Magazine had reported that the mean yearly household income of its readers is $119,155. The most recent random sample of 80 households taken from its subscription list had a mean annual household income of $124,450. Past studies have shown that the standard deviation of household income is $30,000. Based on this information, can Playbill's executives conclude that there has been a significant shift in the average yearly income of its readers? (Use alpha = .05).

 

Posted Date: 3/23/2013 3:26:31 AM | Location : United States







Related Discussions:- Playbill magazine , Assignment Help, Ask Question on Playbill magazine , Get Answer, Expert's Help, Playbill magazine Discussions

Write discussion on Playbill magazine
Your posts are moderated
Related Questions

define operations management and describe four activities performed by operations managers.

In problem three, the average maximum drycleaning capacity per day is a.  15.71 b.  71.42 c.  65,71 d.  68.57 e.  none of the above.

discuss modigliani and miller approach. critically analyse the hypothesis?

Write the detailed note on Selection, Recruitment and Promotion. Illustrate the concept of Production control and Planning. What is the significance of this idea ?

The average number of tools repaired per day has been decreased up to 50 in 2015/16 financial year compared to year 2014/15 which was at 80 machines per day. Management needs to in

Ask question #Minimum 100 words accepEssential characteristics of a good wage payment systemted#

i need to do an Assignment on outsourcing topic. i need some relevant information and current world issues about this topic?

define phylum protozoa and the general characteristics of this phy

Problem: Part A Planning is one of the fundamental functions of management. However, formal planning is often severely criticised. Explain: (i) how the planning