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In a statistics class there are 250 students. As a part of a survey, 30 students are chosen at random. The AVE age if this sample is 19.7 years and the SD is about 5.3 years. What is the AVE of all 250 statistics students and what will it likely be off by? 19.7 yrs off by 1.6 yrs 20.0 yrs off by .34 yrs 19.7 yrs off by .25 yrs 19.7 yrs off by .34 yrs 20.0 yrs off by 1.6 yrs

You may use the calculator above and this area as scratch paper. To see the solution just click on the button.

Carlos Rodriguez <carlos@math.albany.edu>

This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998