How to find range

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ISEE Upper Level Quantitative Reasoning › How to find range

Questions 1 - 10
1

Find the range of the following data set:

Explanation

Find the range of the following data set:

First, let's put our terms in ascending order.

Now, find the difference between our first and last terms.

So, our range is 82.

2

What is the range of the following set of numbers?

Explanation

To determine the range, first order the numbers in order from least to greatest. Then, find the difference between the greatest number and the least number:

Thus, the range is 172.

3

Use the following data set to answer the question:

Find the range.

Explanation

To find the range of a data set, we will find the smallest and the largest number. Then, we will find the difference of those two number.

So, given the set

we can see the smallest number is 5 and the largest number is 17.

Now, we will find the difference. To find the difference, we will subtract the two number. We get

Therefore, the range of the data set is 12.

4

Find the range of the following data set:

Explanation

Find the range of the following data set:

To find the range, first put the numbers in increasing order

Next, find the difference between our first and last terms

Thus, our range is 87 because there is a "distance" of 87 between our biggest and smallest terms.

5

Find the range of the following data set:

Explanation

Find the range of the following data set:

First, let's put our terms in increasing order:

Next, our range will just be the difference between the greatest and least terms.

So our range is 87.

6

Michael received the following scores on his last four French tests: 65, 58, 69, 58. What is the range of his test scores?

Explanation

In order to find the range, you must first identify the smallest and the largest number of the data set.

The smallest number for this set is , and the largest number is .

Take the difference of the two numbers to find the range.

7

Use the following data set to answer the question:

Find the range.

Explanation

To find the range of a data set, we will find the smallest number and the largest number. Then, we will find the difference of those two numbers.

So, given the set

we can see the smallest number is 3 and the largest number is 9. Now, we will find the difference.

Therefore, the range of the data set is 6.

8

What is the range of the following 5 numbers?

Explanation

The range of a set is determined by subtracting the smallest number from the largest number:

9

For his last six math tests, Josh scored 92, 80, 88, 94, 97, and 95. What is the range for his test scores?

Explanation

In order to find the range, you will need to first find the smallest and largest number in the set.

For this set of numbers, the smallest number is , and the largest number is .

To find the range, take the difference of these two numbers:

10

What is the range of the following series of numbers?

Explanation

Reorder the numbers from smallest to largest:

7, 14, 19, 22, 30, 31, 47

The range is the difference between the largest and smallest values:

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