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examinees applying for a security
5. The mean exam score for the first group of twenty
job iS
a 35.3 with a standard deviation of 3.6.
The mean exam
score for the second group of twenty examinees is 34.1
with a
standard deviation of 0.5. Both distributions are close to symmetric in shape.
a. Use the mean and standard deviation to compare the scores of the two
groups.


Sagot :

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