How to find the range for a set of data
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AP Statistics › How to find the range for a set of data
Six homes are for sale and have the following dollar values in thousands of dollars:
535
155
305
720
315
214
What is the range of the values of the six homes?
Explanation
The range is the simplest measurement of the difference between values in a data set. To find the range, one simply subtracts the lowest value from the greatest value, ignoring the others. Here, the lowest value is 155 and the greatest is 720.
Alice recorded the outside temperature at noon each day for one week. These were the results.
Monday: 78
Tuesday: 85
Wednesday: 82
Thursday: 84
Friday: 82
Saturday: 79
Sunday: 80
What is the range of temperatures?
Explanation
The range is the simplest measurement of the difference between values in a data set. To find the range, simply subtract the lowest value from the greatest value, ignoring the others.
A business tracked the number of customer calls received over a period of five days. What was the range of customer calls received daily?
Day 1: 57
Day 2: 63
Day 3: 48
Day 4: 49
Day 5: 59
Explanation
The range is the simple measurement of the difference between values in a dataset.
To find the range, simply subtract the lowest value from the greatest value, ignoring the others.
Find the range for the set.
Explanation
To find the range, subtract the minimum value from the maximum value
minimum:
maximum:
So,
maximum - minimum =
Let 
What is the range of the set.
Explanation
To find the range, subtract the minimum value from the maximum value
minimum:
maximum:
So,
maximum - minimum =
Find the range for the set of data
Explanation
The range is equal to the absolute difference between the minimum and maximum value.
We find the range to be
