You wish to do a community needs assessment surveyof a community to find out how much office space is needed by professionals in the community. To do this you will select a proportionate stratified sampleof professional . The population consists of
Assuming you wish to select a sample of 80 professionals , how many should be selected from the five groups?
The expert determines how many professionals should be selected from the five groups. A complete, neat and step-by-step solution is provided in the attached Excel file.