WHAT IS THE MEDIAN?
Learn it the easy way, then test yourself with this quiz!
The MEDIAN is the middle number when a set of numbers is arranged in order (from lowest to highest). It tells you the exact center of your data.
If there are two middle numbers (even count), you just add them together and divide by 2 to get the median.
Important: Always arrange the numbers from lowest to highest FIRST before finding the middle!
ARRANGE
Order numbers from lowest to highest
FIND MIDDLE
Pick the middle number (or average the two middles)
Numbers: 3, 7, 1, 9, 5
Step 1 (Arrange): 1, 3, 5, 7, 9
Step 2 (Middle): The 3rd number is 5
So the MEDIAN is 5!
Numbers: 4, 8, 2, 10
Step 1 (Arrange): 2, 4, 8, 10
Step 2 (Two middles): (4 + 8) ÷ 2 = 6
So the MEDIAN is 6!
Quiz Time!
Read each question carefully before answering. You got this!
What is the MEDIAN?
What is the first step in finding the MEDIAN?
What is the MEDIAN of 2, 5, 8?
If there are two middle numbers, what do you do?
What is the MEDIAN of 1, 3, 5, 7, 9, 11?
What is the MEDIAN of 4, 9, 2, 7, 5?
What is the MEDIAN of 12, 3, 8, 15, 6, 10?
What is the MEDIAN of 20, 5, 15, 10, 25?
What is the MEDIAN of 18, 6, 14, 22, 10, 16?
The MEDIAN of five numbers is 13. The numbers in order are 7, 10, __, 18, 21. What is the missing number?
Made for students who want to master the MEDIAN
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