# GRE Subject Test: Math : Statistics

## Example Questions

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### Example Question #7 : Range & Iqr

Find the range of:      Explanation:

Step 1: Locate the smallest and largest numbers in the set above...

Largest is , smallest is Step 2: To find the range, subtract smallest from largest...

Range= ### Example Question #1 : Range & Iqr

What is the range of the set, ?   Does Not Exist

Does Not Exist

Explanation:

Step 1: Define Range of a set..

You can calculate the range by subtracting the smallest number from the largest number in the set..

Step 2: There are no numbers in this set. This set is also known as the empty set..

The range of a set that has no elements does not exist.

### Example Question #1 : Range & Iqr

If , find the IQR (Inter-Quartile Range)     Explanation:

Step 1: To find the Inter-Quartile Range, we need and .

The formula for the Inter-Quartile Range is: .

Step 2: Plug in the given values of to the equation... So, the IQR= ### Example Question #1 : Range & Iqr

Find the range:       Explanation:

Rearrange the numbers in the set from smallest to largest: To find the range, subtract the smallest number from the bigger number: The range is .

### Example Question #41 : Statistics

If and , find the IQR.      Explanation:

The IQR (Inter-Quartile Range) is the distance from the third quartile and the first quartile. The IQR is always positive. Halfway between and is the Mean (or .

To find the IQR, just subtract from . ### Example Question #42 : Other Topics

Find the range:       Explanation:

The range is the difference between the largest and smallest number. 1 2 3 5 Next →

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