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Two similar data sets are being compared. The standard deviation of Set A is 4.8. The standard deviation of Set B is 6.5.
Which statement about the data sets is true?

a)The mean of the data in Set B is greater than the mean of the data in Set A.
b)The spread of the data in Set B is greater than the spread of the data in Set A.
c)The spread of the data in Set A is greater than the spread of the data in Set B.
d)The mean of the data in Set A is greater than the mean of the data in Set B.

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Hi

  1. Standard deviation is a measure of spread. Big sigma means big spread.

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    Damon

  2. A / D

    Im not really sure if its (a) or (d)

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    Arthur Chrisford

  4. Its B your welcome :)

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    girlly

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