Mean & Median

What is another word, often used for the mean?

• median

• average

• meanyhead

• grumpy

To find the mean you need to.....

• Multiply all of the numbers together.

• Line all of the numbers up, then subtract them.

• Add all of the numbers, then divide by the total amount of numbers.

• Add all of the numbers, then multiply them.

To find the median, you need to

• Order the numbers from least to greatest, then find the number in the center.

• Just find the number in the middle.

• Multiply all of the numbers together.

• Add all of the numbers together, then divide by the total amount of numbers.

When finding the median, what do you do when there's 2 numbers in the center?

• Use the smaller number.

• Use the bigger number.

• Just pick one.

• Add them together, and find the mean.

Find the mean of this data set.

74, 68, 17

• 159

• 53

• 85,544

• 68

Find the mean of this data set.

10, 62, 15, 97

• 53

• 184

• 10

• 46

Find the mean of this data set.

158, 274

• 216

• 432

• 200

• 116

Find the mean of this data set.

584, 729, 637

• 1,950

• 618

• 650

• 637

Find the mean of this data set.

3.1, 19.4, 7.8

• 3.1

• 10.1

• 7.8

• 30.3

Find the median of this data set.

1,2,3

• 2.5

• 3

• 1

• 2