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Lana is teaching a Stitistic class and an Intermediate Algebra class.She gives tests to both classes...

Lana is teaching a Stitistic class and an Intermediate Algebra class.She gives tests to both classes and a random sample of the test scores are below:
STATS:75 ,80,85,83,85,65,65,70,67,80,70
ALGEBRA:45,83,75,95,105,55,67,53,97,89,61
a) Compute the mean and standard deviation for each one.
b) Taken as group which class do you think understood the material better?Why?

Math   Statistics-And-Probability   
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