Standard Deviation Answers

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Which statements are true about the data sets? Check all that apply.

Set A is symmetrical.

Set B has the same mean and median.

Set B is right skewed.

Set A is left skewed.

The median of set A is larger than the mean of set A.

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Which statements are true about the curve? Check all that apply.

The standard deviation of the data is 64.

The variance of the data is 49.

The median is 64.

The data point 75 is less than one standard deviation from the mean.

The data point 50 is two standard deviations away from the mean.

Which statement is most likely to be true?

The scores from Mrs. Jones’s class are the closest to the class mean.

The scores from Mrs. Rijo’s class are the closest to the class mean.

The scores from Mr. Phan’s class are the closest to the class mean.

The scores from Mrs. Scott’s class are the closest to the class mean.

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