Averages and range · Grade 6
In Grade 6 you learn: what an average tells you and the mean.
An average is one number that represents a whole set of data. The mean shares the total out equally. The median is the middle value. The mode is the most common value. The range measures how spread out the data are.
Key facts
- Mean = total of the values ÷ number of values.
Worked examples
Example 1
Five quiz scores are 7, 9, 6, 8 and one more. The mean is 8. Find the missing score.
Answer: 10