All GRE Subject Test: Math Resources
Example Questions
Example Question #41 : Probability & Statistics
Find the range of the set of numbers:
Step 1: Arrange the numbers from smallest to largest. If the numbers are already written that way, then skip this step..
The numbers need to be arranged.. We will get:
Step 2: To find the range, subtract the smallest number from the biggest number...
So,
The range of this set of numbers is ...
Example Question #3 : Range & Iqr
What is the range of the numbers:
Step 1: See if the numbers are in order..
The numbers are in order from smallest to largest..
Step 2: Subtract the largest number and the smaller number:
is the range.
Example Question #5 : Range & Iqr
What is the range of:
Step 1: Rearrange the numbers from smallest to largest:
After rearranging, we have:
Step 2: Find the smallest number:
The smallest number is .
Step 3: Find the largest number:
The largest number is .
Step 4: Subtract the smallest number from the smallest number:
The range is .
Example Question #3 : Range & Iqr
Find the range of:
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 #3 : Range & Iqr
What is the range of the set, ?
Does Not Exist
Does Not Exist
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 #45 : Probability & Statistics
If , find the IQR (Inter-Quartile Range)
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 #10 : Range & Iqr
Find the range:
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 : Probability & Statistics
If and , find the IQR.
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 #541 : Gre Subject Test: Math
Find the range:
The range is the difference between the largest and smallest number.
Example Question #541 : Gre Subject Test: Math
Simplify the following expression:
Recall that ! means facotrial in math. This means we multiply the number by all positive integers less than itself. In other words, this...
Becomes
This is a great job for a calculator, which yields:
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