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A random sample of 30 employes from a large financial organization has been selected to evaluate...

A random sample of 30 employes from a large financial organization has been selected to evaluate their learning performance after a series of seminars. Each subject was given a test that has a national average score of 50. Has the seminar programs statistically improved the scores of the employes?

These are the scores:

02 54 69 47 66 44 56 55 67 47 58 39 42 45 72 72 69 75 57 54 34 62 50 58 48 63 74 45 71 59

Math   Statistics-And-Probability   
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TOPIC: One-sample t-test for the population mean.

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