I have a question and I really hope that you can help me.
A couple of days ago I received response to a questionnaire I've mailed to 6 categories of people.
Not all people in each category answered the questionnaire, and now I would like to know if one group responded significantly less, than the other groups.
The answers in percent for each group is:
Is it possible to do some statistical calculations on this?
I really hope that you can help me.
Originally Posted by JNelson
If you sent the same number of questionaires to each group, then the mean response was 48% (approx).
You can calc the variance & determine the standard deviation.
What level of significance are you looking for?