Statistics: Range, Mode, Mean, Median

The video tutorial explains how to calculate mean, median, mode, and range. It starts with the mean, which is the sum of all numbers divided by the count of numbers. The median is found by ordering numbers and selecting the middle one. The mode is the number that appears most frequently, and the range is the difference between the largest and smallest numbers. The video concludes with a call to follow for more math tips.

What is the mean of the numbers 3, 5, 7, and 9?

• 6

• 8

• 5

• 7

How do you find the median of a set of numbers?

• Add all numbers and divide by the count

• Subtract the smallest number from the largest

• Arrange numbers in order and find the middle

• Find the number that appears most

Which number is the mode in the set 2, 4, 4, 6, 8?

• 2

• 4

• 8

• 6

What is the range of the numbers 10, 15, 20, and 25?

• 10

• 15

• 5

• 20

If the smallest number in a set is 3 and the largest is 15, what is the range?

• 15

• 9

• 18

• 12