How to find range

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SSAT Middle Level Quantitative › How to find range

Questions 1 - 10
1

The difference between 2996 and 4515 is closest to

Explanation

Round 2996 up to 3000 and 4515 down to 4500. The difference between 4500 and 3000 is 1500.

2

Given the following set of numbers, find the range.

Explanation

In order to find the range for a set of data, take the largest number and subtract the smallest number.

In this case, the largest number is and the smallest number is .

Remember that when we subtract a negative, we are actually adding the absolute value of the numbers:

Therefore:

is the same as

3

Find the range of this set of numbers:

525, 436, 142, 213, 641.

Explanation

First, order the numbers from least to greatest. Then, find the difference between the largest and the smallest number.

Answer: The range is

4

Find the range of this set of numbers:

Explanation

First order the numbers in order from least to greatest:

Then, find the difference of the largest and smallest number in the set:

Answer: The range is

5

What is the range of the set of numbers:

Explanation

The ragne of a set of numbers is the difference between the largest and smallest numbers. In this set, is the largest number and is the smallest number. The range, or difference, between these two numbers, is .

6

Find the range of this set of numbers:

Explanation

First order the numbers from least to greatest:

Then subtract the smallest number from the largest number:

Answer:

7

What is the range of the following data set?

Explanation

The range of a data set is equal to the difference between the largest and the smallest numbers.

8

What is the range of the set of numbers , , , , ?

Explanation

The range of a set of numbers is the difference between the largest and smallest numbers. In this set, is the largest number and is the smallest number. The range, or difference, between these two numbers, is .

9

Use the following data set to answer the question:

Find the range.

Explanation

To find the range, 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 2 and the largest number is 10. Now, we will find the difference. We get

Therefore, the range of the data set is 8.

10

Find the range of this set of numbers:

89, 54, 76, 89, 94.

Explanation

First, order the numbers from least to greatest, then find the difference of the highest number and the lowest number.

Answer: The range of this set of numbers is 40.

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