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Select all of the true statements about the standard deviation of a quantitative variable. 1.The standard deviation...

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Basic Math

Select all of the true statements about the standard deviationof a quantitative variable.

1.The standard deviation of a group of values is a measure ofhow far the values are from the mean.

2.Changing the units of a set of values (e.g., converting frominches to feet) does not affect its standard deviation.

3.Standard deviation is resistive to unusual values.

4.The standard deviation of a set of values is equal to 00 ifand only if all of the values are the same.

5.Standard deviation is never negative.

6.If a set of values has a mean of 00 and a standard deviationthat is not 0,0, then adding a new data point with a value of00will have no effect on the standard deviation.

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