Finding the Mean: A Step-by-Step Guide

In this video, Mr. J explains how to find the mean, also known as the average. He provides two examples: calculating the mean number of runs scored by a baseball team and the mean age of employees at a business. The process involves summing all values and dividing by the number of values. The video concludes with a summary of the steps to find the mean.

What is another term commonly used for 'mean'?

• Median

• Mode

• Average

• Range

In the first example, what is the first step to find the mean of runs scored by the baseball team?

• Multiply all values

• Subtract the smallest value

• Add all values

• Divide by the number of values

How many games' runs are considered in the first example?

• 5

• 8

• 6

• 7

What is the sum of the runs scored by the baseball team?

• 35

• 40

• 30

• 45

What is the mean number of runs scored by the baseball team?

• 4

• 7

• 5

• 6

In the second example, what is the first step to find the mean age of employees?

• Divide by the number of ages

• Add all ages

• Subtract the youngest age

• Multiply all ages

How many employees' ages are considered in the second example?

• 11

• 9

• 8

• 10

What is the sum of the ages of the employees?

• 430

• 400

• 417

• 450

What is the mean age of the employees?

• 40.7

• 41.7

• 42.7

• 43.7

What are the two main steps to find the mean of a set of values?

• Multiply and subtract

• Divide and add

• Add and divide

• Subtract and multiply