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For the following data set, calculate the percentage of data points that fall within one standard deviation of
the mean, and compare the result to the expected percentage of a normal distribution.
(50, 46, 54, 51, 29, 52, 48, 54, 47, 48)
OA 80%, This percentage is lower than expected in a normal distribution.
OB. 80%, This percentage is higher than expected in a normal distribution.
OC. 90%, This percentage is lower than expected in a normal distribution.
OD 90% , This percentage is higher than expected in a normal distribution.