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How to Find the Mode in a Group of Numbers

Step 1 – Arrange the numbers in order from least to greatest.

21, 18, 24, 19, 18

18, 18, 19, 21, 24

Slide 31

How to Find the Mode in a Group of Numbers

How to Find the Mode in a Group of Numbers

Step 2 – Find the number that is repeated the most.

21, 18, 24, 19, 18

18, 18, 19, 21, 24

Slide 32

Which number is the mode?

Which number is the mode?

29, 8, 4, 8, 19

8

4, 8, 8, 19, 29

Slide 33

Which number is the mode?

Which number is the mode?

1, 2, 2, 9, 9, 4, 9, 10

9

1, 2, 2, 4, 9, 9, 9, 10

Slide 34

Which number is the mode?

Which number is the mode?

22, 21, 27, 31, 21, 32

21

21, 21, 22, 27, 31, 32

Slide 35

Definition

Definition

Range

is the distance

Between

Slide 36

Definition

Definition

Range – the difference between the greatest and the least value in a set of numbers.

1, 1, 3, 7, 10, 13

Range = 12

Slide 37

How to Find the Range in a Group of Numbers

How to Find the Range in a Group of Numbers

Step 1 – Arrange the numbers in order from least to greatest.

21, 18, 24, 19, 27

18, 19, 21, 24, 27

Slide 38

How to Find the Range in a Group of Numbers

How to Find the Range in a Group of Numbers

Step 2 – Find the lowest and highest numbers.

21, 18, 24, 19, 27

18, 19, 21, 24, 27

Slide 39

How to Find the Range in a Group of Numbers

How to Find the Range in a Group of Numbers

Step 3 – Find the difference between these 2 numbers.

18, 19, 21, 24, 27

27 – 18 = 9

The range is 9

Slide 40

What is the range?

What is the range?

29, 8, 4, 8, 19

29 – 4 = 25

4, 8, 8, 19, 29

Slide 41

What is the range?

What is the range?

22, 21, 27, 31, 21, 32

32 – 21 = 11

21, 21, 22, 27, 31, 32

Slide 42

What is the range?

What is the range?

31, 8, 3, 11, 19

31 – 3 = 28

3, 8, 11, 19, 31

Slide 43

What is the range?

What is the range?

23, 7, 9, 41, 19

41 – 7 = 34

7, 9, 23, 19, 41

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