Question 1133313
70 47 49 34 37 31 62 66 34 54 73 54 
70 44 48 43 59 53 61 62 63 60 73 
35 36 33 36 55 55 66 67 41 59 50 
I will do the first one.  Put into a calculator by STAT EDIT  and put them into L1 by adding the number and pushing ENTER.
Once they are all entered, push STAT then CALC then 1 1-VAR STATS
x bar x with a line over it is the mean or 52.35294118, round to 52.3
sigma x (the circle with a line on top, below Sx is the standard deviation of the population or 12.753 or 12.8.

Do the others the same way