Mean, Median , Mode and Range

1. To find the (a)   , you add all the numbers and divide by how many there are.

1. The (a)   is the number that appears most often in a set.

1. If you arrange the numbers from least to greatest, the (a)   is the one in the middle.

1. The (a)   is found by subtracting the smallest number from the largest.

1. To find the (a)   , you list the numbers in order and choose the one in the middle.

1. If two numbers appear most often, the set has (a)   modes.

1. If no number repeats, the set has (a)   mode.

What is the mean of the following numbers: 4,7,9,6,4?

• 5

• 6

• 7

• 4

What is the median of this set: 2,8,5,3,7?

• 5

• 3

• 7

• 8

What is the mode of the numbers 2,3,3,5,6?

• 2

• 3

• 5

• 6