Central tendency helps us find the 'center' of a dataset. The three main measures are mean (average), median (middle value), and mode (most frequent value). Understanding these concepts allows us to summarize and compare different sets of data. Let's practice applying these concepts!
Match each term with its correct definition:
| Term | Definition |
|---|---|
| 1. Mean | A. The middle value when data is ordered. |
| 2. Median | B. The sum of all values divided by the number of values. |
| 3. Mode | C. The value that appears most frequently. |
| 4. Range | D. The difference between the largest and smallest values. |
| 5. Outlier | E. A value that is much higher or lower than most of the other values in a set of data. |
Complete the following sentences:
Explain a situation where the median would be a better measure of central tendency than the mean. Why?
The median is a better measure when there are outliers in the data. Outliers can significantly skew the mean, making it not representative of the 'center' of the data. The median is not affected by outliers.
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