📊 Mean, Median, and Mode

Learn how to find and use the three main measures of centre in a data set. **What you'll learn:** - Calculate the mean by adding all values and dividing by the count - Find the median by ordering data and locating the middle value - Identify the mode as the most frequently occurring value - Choose which measure best represents a data set - Solve real-world problems using statistical measures

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Questions in this quiz

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Question 1
What is the mean of the numbers $2, 4, 6, 8$ ?
Question 2
The median is always the same as the mean.
Question 3
What is the mode of this data set: $3, 5, 5, 7, 9, 5, 11$ ?
Question 4
The median of $1, 3, 5, 7, 9$ is ___.
Question 5
A data set can have more than one mode.
Question 6
What is the median of $4, 8, 2, 9, 5$ ?
Question 7
The mean of $6, 10, 14$ is ___.
Question 8
The mean must always be one of the values in the data set.
Question 9
A class scored $85, 90, 78, 92, 88, 85$ on a test. Which measure would best show how most students performed?
Question 10
Arrange these steps for finding the median in the correct order.