Mean as Fair Share Statistics Example 4
Follow the full solution, then compare it with the other examples linked below.
Example 4
easyThree jars hold 9, 12, and 6 marbles. How many marbles must move from the second jar to the third jar so that all three jars have the same number?
Solution
- 1 Step 1: Total marbles = , so an equal share is marbles per jar.
- 2 Step 2: The second jar has 3 too many and the third jar has 3 too few, so move marbles from the second jar to the third jar.
Answer
Move marbles from the second jar to the third jar.
The fair-share view of the mean helps us see redistribution problems. Once we know the equal target for each group, we can identify how much must move to balance the sets.
About Mean as Fair Share
The mean (average) represents what each person would get if the total were divided equally among everyone. It is calculated by adding all values and dividing by the count, giving a single number that summarizes the center of the data.
Learn more about Mean as Fair Share →More Mean as Fair Share Examples
Example 1 easy
Five friends have 3, 7, 5, 10, and 5 sweets respectively. If they share all the sweets equally, how
Example 2 mediumA student scores 72, 85, 90, and 69 on four tests. What score does she need on a fifth test to have
Example 3 easyFour boxes contain 12, 8, 14, and 6 apples. Find the mean number of apples per box.