Statistics: Mean, Median, and Mode
Year 5 students calculate and interpret the mean, median, and mode of data sets, understanding what each measure reveals about a group of values.
What You Need to Know
Key Concept Diagram
The mean (average) is found by adding all values and dividing by how many there are
The median is the middle value when data is sorted in order
The mode is the value that appears most often in a data set
Different measures of centre give different insights into the same data
Key Vocabulary
Mean
The average of a data set: sum of values divided by the count
Median
The middle value when data is arranged in order from least to greatest
Mode
The value that appears most frequently in a data set
Data set
A collection of values gathered by counting or measuring
Knowledge Check
Select the correct answer for each question. Click "Check Answer" to see if you are right.
Question 1
Find the mean of: 4, 7, 9, 6, 4
Question 2
What is the median of: 3, 7, 8, 1, 5?
Question 3
What is the mode of: 2, 4, 4, 6, 7, 4, 2?
Key Concepts Summary
- ●The mean (average) is found by adding all values and dividing by how many there are
- ●The median is the middle value when data is sorted in order
- ●The mode is the value that appears most often in a data set
- ●Different measures of centre give different insights into the same data