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Natalie measured the length of every pen in her desk drawer and found that her 66 pens had lengths of: 9.5 centimeters9.5\,\text{centimeters}, 8.6 centimeters8.6\,\text{centimeters}, 9.5 centimeters9.5\,\text{centimeters}, 9.4 centimeters9.4\,\text{centimeters}, 8.7 centimeters8.7\,\text{centimeters}, 8.1 centimeters8.1\,\text{centimeters} What was the range of the pens' lengths?\newline_____ centimeters\_\_\_\_\_\,\text{centimeters}

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Q. Natalie measured the length of every pen in her desk drawer and found that her 66 pens had lengths of: 9.5 centimeters9.5\,\text{centimeters}, 8.6 centimeters8.6\,\text{centimeters}, 9.5 centimeters9.5\,\text{centimeters}, 9.4 centimeters9.4\,\text{centimeters}, 8.7 centimeters8.7\,\text{centimeters}, 8.1 centimeters8.1\,\text{centimeters} What was the range of the pens' lengths?\newline_____ centimeters\_\_\_\_\_\,\text{centimeters}
  1. Arrange lengths in order: 9.59.5, 8.68.6, 9.59.5, 9.49.4, 8.78.7, 8.18.1\newlineArrange the lengths of the pens in ascending order.\newlineData set in ascending order: 8.18.1, 8.68.6, 8.78.7, 9.49.4, 9.59.5, 9.59.5
  2. Calculate range: 8.1,8.6,8.7,9.4,9.5,9.58.1, 8.6, 8.7, 9.4, 9.5, 9.5\newlineCalculate the range by subtracting the smallest length from the largest length.\newline9.5−8.1=1.49.5 - 8.1 = 1.4\newlineRange: 1.41.4 centimeters

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