Find the Range 90 , 89 , 87 , 79 , 89 , 84 , 80 , 85 , 85 , 79

$90$ , $89$ , $87$ , $79$ , $89$ , $84$ , $80$ , $85$ , $85$ , $79$

Subtract the minimum data value from the maximum data value to find the data range. In this case, the data range is $90 - 79 = 11$ .

$11$

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