Stat problem

Posted on 2016-10-20 18:44:00 in Statistics by LIAN

style="text-align:justify">A box contains six tickets labeled with numbers. The number on the tickets are: -9, -9, -7, 0, 4, 9.?

1) The expected value of the sample sum of the ticket labels in 8 independent random draws with replacement from the box is? 
2) The standard error of the sample sum of the ticket labels in 8 independent random draws with replacement from the box is? 
3) The expected value of the sample mean of the ticket labels in 8 independent random draws with replacement from the box is? 
4) The standard error of the sample mean of the ticket labels in 8 independent random draws with replacement from the box is? 
5) The expected value of the sample mean of the ticket labels in a simple random sample of 6 tickets from the box is? 
6) The standard error of the sample mean of the ticket labels in a simple random sample of 6 tickets from the box is?

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