Proportionate stratified sample

Reference no: EM1394719

You wish to do a community needs assessment survey of 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 sample of professional . The population consists of

75 dentists

175 physicians

250 lawyers

25 psychiatrists

25 misc.

Assuming you wish to select a sample of 80 professionals , how many should be selected from the five groups?

Reference no: EM1394719

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