Mean and Median

Find the MEDIAN. Students open a class store to raise money for a pizza party. They are open four days a week. On the first day they sell $10 worth of items, on the second day they sell $15 worth of items, on the third day they sell $13 worth of items, and on the fourth day they sell $14.

• 13, 14

• There is no median.

• 13.5

• 14.5

• 12.5

What is the process for finding the Median?

• Organize the numbers from least to greatest, subtract the least number from the greatest number.

• Examine the data set for repeating numbers, write down the number that repeats the most.

• Organize the numbers from least to greatest, place one finger on the least number and the other on the greatest and move center one step at a time.

• Organize the numbers from least to greatest, add them together, and divide by the amount of numbers in he set.

What is the mean for these numbers?
5,5,5,5

• 5

• 20

• 15

• 100

What is the mean?
4,5,6,7,3,4,10,1

• 40

• 48

• 5

• 8

Calculate the mean.

• 7

• 5

• 8

• 4

Calculate the mean.

• 9

• 6

• 12

• 10

Calculate the mean.

• 8

• 13

• 7

• 3

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5