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5 cards from this section. Quick, good the night before a test.
Calculate the mean of the following numbers: 5, 10, 15.
Add the numbers first.
Identify the mode in this set: 1, 2, 2, 3.
Look for the number that occurs most often.
What is the formula for finding the mean?
Remember, Σ means 'sum of'.
Is the median sensitive to extreme values?
Think about how the median is positioned in a data set.
Given the temperatures over a week: 20°C, 22°C, 21°C, 19°C, 20°C, 24°C, calculate mean, median, and mode.
Remember to sort your data for median!
You have the following expenses: $10, $20, $10, $30, $70. Find the mean, median, and mode.
Look out for frequently occurring numbers!
6 more questions in this section. Enroll free to practise them all.
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