Test
Mean, mode and median
This test develops the ability to calculate and interpret the arithmetic mean, mode, median and range. Tasks require students to order data, read frequency tables and choose the most appropriate measure of centre for a situation.
Time left: 00:00:00
Sample questions
- Calculate the arithmetic mean: ___.
- Find the mode: ___.
- Find the median: ___.
- Find the range (maximum minus minimum): ___.
- The mean of ___, ___, ___ and an unknown number is ___. Find the unknown number.
Mean, mode, median and range
The mean is the total divided by the number of values. The mode is the most frequent value, the median is the centre of ordered data, and the range is the greatest value minus the smallest.
Selection
Order data before finding the median. For an even number of values, calculate the mean of the two central values. In a frequency table, account for how often each value occurs.
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