The median is the middle value in a set of data that is ordered from least to greatest. To find the median, you first need to arrange your numbers in ascending order. If you have an odd number of values, the median is simply the middle number. If you have an even number of values, the median is the average (mean) of the two middle numbers. This worksheet will help you practice finding the median with different sets of data.
Match the term with its definition:
| Term | Definition |
|---|---|
| 1. Median | A. The average of the two middle numbers in an even-numbered, ordered set. |
| 2. Data Set | B. Arranging numbers from smallest to largest. |
| 3. Ascending Order | C. A collection of information, usually numbers. |
| 4. Average | D. The middle number in an ordered set of data. |
| 5. Even Numbered Set | E. Sum of all numbers divided by the total numbers |
(Answers: 1-D, 2-C, 3-B, 4-E, 5-A)
To find the ______ (1) of a set of numbers, you must first arrange the numbers in ______ (2) order. If there is an odd number of data points, the median is the ______ (3) number. If there is an even number of data points, you average the two ______ (4) numbers. So, the median is a measure of ______ (5) tendency.
(Answers: 1-Median, 2-Ascending, 3-Middle, 4-Middle, 5-Central)
Explain in your own words why it's important to order the data set before finding the median. What happens if you don't order the numbers first?
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