17 A random sample of 300 shoppers in a shopping mall is interviewed to identify their reasons for coming to this particular mall. The factor of ‘I prefer the store mix’ was the most important reason...

17
A random sample of 300 shoppers in a shopping mall is interviewed to identify their reasons for coming to this particular mall. The factor of ‘I prefer the store mix’ was the most important reason for 120 of those interviewed.

Estimate the likely percentage of all shoppers who frequent this shopping mall primarily because of the mix of stores in the mall, using 90% confidence limits.

Excel


Exercises

Use
Excel’s

Data Analysis
option for exercises 18 to 20.