document.write( "Question 979659: I am trying to figure this out for inferential statistics (I do not have a 'deviation\" point so the formulas we have used do not seem to apply). It was in my last exam I said true and got .5 a friend answered false and got .5 too. No explanation, I think our instructor does not know the answer, because it stumped some of the tutors too!!\r
\n" ); document.write( "\n" ); document.write( "true or false... if its false why?\r
\n" ); document.write( "\n" ); document.write( "The mean for a sample n=16 scores has an expected value of 50. This sample was selected from a population with a mean of mu=50. \n" ); document.write( "

Algebra.Com's Answer #600950 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
My only guess is that the person who has the correct answer (true or false) forgot to explain why it was true or false. \r
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\n" ); document.write( "\n" ); document.write( "The idea is that in the sample xbar distribution, the sample mean of this subgroup should be close to the population mean mu. If you do repeated samplings of n = 16 over and over and over, you'll find that the center of this xbar distribution is at mu = 50. The two distributions have the same center, but different spreads. So this is the reason why the statement is true. This question is somewhat odd though in its wording, so perhaps the teacher is asking something else and I've misinterpreted. Anything is possible. \n" ); document.write( "

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