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

Questions 1 - 6
1

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.

2

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.

3

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.

4

Find the range for the set.

Explanation

To find the range, subtract the minimum value from the maximum value

minimum:

maximum:

So,

maximum - minimum =

5

Let be a positive integer.

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 =

6

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

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