AP Statistics : How to find the range for a set of data

Study concepts, example questions & explanations for AP Statistics

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Example Questions

Example Question #1 : 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?

Possible Answers:

Correct answer:

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. 

Example Question #2 : How To Find The Range For A Set Of Data

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?

Possible Answers:

Correct answer:

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. 

 

Example Question #3 : How To Find The Range For A Set Of Data

Find the range for the set.

Possible Answers:

Correct answer:

Explanation:

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

minimum: 

maximum: 

So,

maximum - minimum = 

Example Question #4 : How To Find The Range For A Set Of Data

Let  be a positive integer.

What is the range of the set.

Possible Answers:

Correct answer:

Explanation:

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

minimum: 

maximum:

So,

maximum - minimum = 

Example Question #5 : How To Find The Range For A Set Of Data

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

Possible Answers:

Correct answer:

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. 

 

Example Question #6 : How To Find The Range For A Set Of Data

Find the range for the set of data

Possible Answers:

Correct answer:

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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