HOW DO YOU DO THIS?

Find the sample standard deviation and the population standard deviation of the data set.

42, 49, 22, 36, 62, 23, 54, 23, 24, 22, 30, 23, 60, 49, 52

Question

HOW DO YOU DO THIS?
 
Find the sample standard deviation and the population standard deviation of the data set.

42, 49, 22, 36, 62, 23, 54, 23, 24, 22, 30, 23, 60, 49, 52

amistre64 · Answer

find the mean,

find the difference of the mean from each data element

square the results

divide by n for a population; and n-1 for a sample

then take sqrts

anonymous · Answer

DOTN I FIND THE MEAN BY ADDING THEM ALL TOGETHER AND DIVIDING IT BY HOW MANY NUMBERS THERE ARE?

amistre64 · Answer

yes

anonymous · Answer

I GOT 38.0

amistre64 · Answer

the mean is about 38, but not exactly 38

amistre64 · Answer

do you have all the numbers posted above?

amistre64 · Answer

do you have to do this by hand?  or can you use a ti83?