SOLUTION: National League 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 Find the m

Question 1133313: National League
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
Find the mean and the population standard deviation of the number of home runs hit by the leaders in the National League. Round each result to the nearest tenth.
mean

American League
56 52 31 38 57 37 54 29 34 55 22 39
40 46 30 55 44 57 30 49 49 36 30
56 44 52 50 29 43 40 30 22 46 41
Find the mean and the population standard deviation of the number of home runs hit by the leaders in the American League. Round each result to the nearest tenth.
mean
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
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

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