Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Averages |
Grade: 8-a Lesson: S2-L4 |
Explanation: TODO |
Description:
| Explanation | Answer |
|---|---|
Problem |
All of the members of the family are very tall. Their heights are 51 inches, 48 inches, 41 inches, 45 inches. What is the average height of the 4 members? |
Formula used |
\$"Average" = "sum of set of numbers" / "amount of numbers in set"\$ |
Step - 1 |
Given heights = 51 inches, 48 inches, 41 inches, 45 inches |
Step - 2 |
\$"Average" = "sum of set of numbers" / "amount of numbers in set"\$ |
Step - 3 |
Average height = \$(51 + 48 + 41 + 45)/4\$ ⇒ \$185/4 = 46.25\$ |
Step - 4 |
Therefore, the average height of the 4 members = 46.25 inches |
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