|
To keep things consistent, use the following information
each time (the only item that should be changed is the
margin of error).
(Keep in mind that each time you click NEXT, you
move forward to a new page.) |
(Use all defaults)
Sampling method:
Simple Random sampling
Dependent variable:
Mean
Purpose of research:
Estimate Mean |
(Click calculate research costs)
Main goal:
Find minimum sample size, given a fixed error
Optional analyses:
Calculate Research Costs |
Margin of error:
This will change each time
beginning with .05 down to .01
Significance level: .10
(default for the demo) |
Total Population size:
1000
Standard Deviation:
1 |
Unit Cost
(the average direct cost per completed survey):
10
Overhead
(the total indirect cost (consultant fees, office
supplies, etc.) which are largely unaffected by the
number of surveys completed:
0 |
