GMAT Math : Range

Study concepts, example questions & explanations for GMAT Math

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Example Questions

Example Question #463 : Arithmetic

Find the range of the following set of numbers:

Possible Answers:

Correct answer:

Explanation:

To find range, subtract the smallest number from the largest number. Thus,

Example Question #464 : Arithmetic

Find the range of the following set of numbers.

1,1,2,7,8,10,11

Possible Answers:

Correct answer:

Explanation:

To find the range, you m ust subtract the smallest number from the largest. Thus,

Example Question #465 : Arithmetic

Find the range of the following data set:

Possible Answers:

Correct answer:

Explanation:

Find the range of the following data set:

Range is as simple as finding the diffference between the largest and smallest terms in a set. So, let's find our largest and smallest terms.

Largest: 989

Smallest: 2

Next, let's calculate the range:

So our answer should be 987

Example Question #14 : Descriptive Statistics

.

Give the midrange of the set .

Possible Answers:

Correct answer:

Explanation:

The midrange of a set is the arithmetic mean of the greatest and least values, which here are  and . This makes the midrange .

Example Question #466 : Arithmetic

A large group of students is given a standardized test. The following information is given about the scores:

Mean: 73.8

Standard deviation: 6.3

Median: 71

25th percentile: 61

75th percentile: 86

Highest score: 100

Lowest score: 12

What is the interquartile range of the tests?

Possible Answers:

More information about the scores is needed.

Correct answer:

Explanation:

The interquartile range of a data set is the difference between the 75th and 25th percentiles:

All other given information is extraneous to the problem.

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