Question
QA) The data below is the ages of a population of 30 residents at a condominium. 2834156254 5547392017 3856482037 4635445672 4832162847 7062483526 1) Calculate the
QA) The data below is the ages of a population of 30 residents at a condominium.
2834156254
5547392017
3856482037
4635445672
4832162847
7062483526
1) Calculate the mean age of the residents
2) Compute the population standard deviation of the ages of the residents given the formula for population variance.
QB ) 7 random sampling of the data is taken where each is a sample 6 residents as listed below.
Sample 1:285538464870
Sample 2:621539563832
Sample 3:344756353262
Sample 4:153948441648
Sample 5:541737724726
Sample 6:481656722039
Sample 7:622020562835
1) Compute the values of ??x? and its mean, ?x?? for each sample above.
2) Find the mean of the sample means, ?xs????
3) Compute the standard deviation of the sample means, ?sx??? by first computing the values in the Table below.
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