Mean Median and Mode

Mean Median Mode

By Mark Philbin

Measures of Central Tendency

Mean, Median, Mode, and Range

Important vocab

• Mode- the most of

• Median- middle number

• Mean- average.

When finding the Mean...

• Step #1: count the total amount of numbers in the data

• Step #2: add all the numbers in the data together

• Step #3: divide the sum (answer to step 2) by the total numbers in the data (answer to step 1)

Multiple Choice

Find the Mean, or Average of these numbers

7, 5, 10, 2

(add them up and divide by how many there are)

• 6

• 4

• 8

• 5

Multiple Choice

Find the Mean, or Average of these numbers

13, 15, 20

(add them up and divide by how many there are)

• 14

• 15

• 16

• 18

Multiple Choice

Find the Mean, or Average of these decimals:

3.5 , 4.2 , 5.2, 6.8

(add them up and divide by how many there are)

• 4.6

• 4.925

• 3.625

When finding the Median...

• Step #1: order the numbers least to greatest in the data

• Step #2: Find the number in the middle that's the median

• Step #3: Note if there are 2 numbers in the middle then add them and divide the answer by 2

Multiple Choice

Find the Median

2, 7, 9, 12, 15, 17, 20

• 9

• 15

• 12

• 17

Multiple Choice

Find the Median

1, 2, 3, 4, 5

• 2

• 3

• 4

• 5

Multiple Choice

ORDER L to G

then find the MEDIAN

10, 8, 15, 11, 17

• 10

• 11

• 8

• 17

Multiple Choice

ORDER L to G

then find the MEDIAN

2, 5, 9, 1, 3, 7, 10

• 5

• 9

• 7

• 10

The Mode of this

data set is 80

​80, 80, 83, 85, 87

Order least to greatest, then find the one that occurs the most.

MODE = 4​

​1, 2, 2, 3, 4, 4, 4, 5, 6

Find the Mode ; the most

Some text here about the topic of discussion

Multiple Choice

Find the MODE

70, 75, 77, 79, 79, 80, 81, 81, 81, 83, 85

• 79

• 81

• 80

• 85

Multiple Choice

Find the MODE

3, 5, 6, 2, 3, 7, 6, 3, 5, 3, 8, 9

• 5

• 9

• 7

• 3

Multiple Choice

Find the MODE

red, blue, red, green, purple, red, green

• blue

• red

• green

• purple