At a large university, a simple random sample of 5 female professors is selected and a simple random sample of 10 male professors is selected. The two samples are combined to give an overall sample of 15 professors. The overall sample is __________.

I'm confused on this question because the answer isn't 15???

Question

At a large university, a simple random sample of 5 female professors is selected and a simple random sample of 10 male professors is selected. The two samples are combined to give an overall sample of 15 professors. The overall sample is __________.

I'm confused on this question because the answer isn't 15???

nathan917 · Answer

stratified sample. 

this an option?

anonymous · Answer

Thank you for the reply nathan917. There isn't any options listed since the question is a blank, but I think you are right! Thank you!

nathan917 · Answer

I've done this test if so.

nathan917 · Answer

How many question are on this test?

nathan917 · Answer

i have 25. on mine.

anonymous · Answer

Mine has 15

nathan917 · Answer

Cool.

anonymous · Answer

Should it be stratified random sample or just stratified sample? I've learned about stratified random samples, but not just stratified sample

nathan917 · Answer

I think a stratified sample.  How about you luis?