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A developmental psychologist studies the number of words that seven infants have learned at a particular...

A developmental psychologist studies the number of words that seven infants have learned at a particular age. The numbers are 10, 12, 8, 0, 3, 40, and 18.
-Question (a): Find the mean.
-Question (b): Find the median.
-Question (c): Use the table below to compute the sum of squared deviations (SS).
X X-M (X-M)2
0
3
8
10
12
18
40
SSx=
--Compute the variance.
--Compute standard deviation

Math   Statistics-And-Probability   
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