Finding the Mean

The video tutorial introduces the concept of 'mean' as the average of a set of numbers. It explains how to calculate the mean by adding all numbers and dividing by the count of numbers. An example is provided using test scores to demonstrate the calculation process, resulting in an average score. The tutorial concludes with a recap of the calculation steps.

What is another term commonly used to describe the 'mean'?

• Median

• Mode

• Average

• Range

What is the first step in calculating the mean of a set of numbers?

• Divide the largest number by the smallest

• Subtract the smallest number from the largest

• Add all the numbers together

• Multiply all the numbers

If you have five test scores, what should you divide the total sum by to find the mean?

• The sum of the scores

• The lowest score

• The number of tests

• The highest score

What is the mean of the test scores: 78, 86, 71, 93, and 98?

• 85.2

• 82.4

• 80.6

• 88.5

What is the final step in calculating the mean after adding all the numbers?

• Add the largest number

• Multiply by the number of numbers

• Subtract the smallest number

• Divide by the number of numbers