All GMAT Math Resources
Example Questions
Example Question #463 : Arithmetic
Find the range of the following set of numbers:
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
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:
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 .
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?
More information about the scores is needed.
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.