Review: Measures of Central Tendency

Measures of Central Tendency

What are mean, median, mode, and range?

How are they found given a set of data?

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Multiple Choice

Another word for mean is...

• sum

• product

• average

• equation

Multiple Choice

To find the mean of a set of numbers you...

• multiply all the numbers then divide by ho many numbers are in the set

• add the numbers together, then divide by how many numbers are in the set

Multiple Choice

Calculate the mean.

16, 5, 7, 12

• 9

• 6

• 12

• 10

Multiple Choice

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29

• 38

• 50

• 145

Multiple Choice

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

• 40

• 24

• 4

• 256

Multiple Choice

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

• 20

• 18

• 11

• 19

Multiple Choice

Find the median for the set of numbers:

23, 37, 11, 58, 13, 45

• 30

• 23

• 37

• 28

Multiple Choice

Find the median for the set of numbers:

85, 42, 64, 71, 39, 56, 26

• 71

• 42

• 56

• 60

Multiple Choice

Find the median for the set of numbers:

17, 24, 8, 19, 6, 34, 10, 28, 48, 12

• 17

• 19

• 18

• 20

Multiple Choice

What is the mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.

Multiple Choice

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

Multiple Choice

What is the mode of this data set?

325, 400, 350, 400, 300, 250

• 400

• 300

• 325

• 250

Multiple Choice

3, 3, 4, 6, 9 - What is the mode?

• 3

• 4

• 6

• 9

Multiple Choice

What is the mode of this data set?

1, 3, 2, 5, 12, 3, 4

• 4

• 3

• 12

• 1

Multiple Choice

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9

• 5

• 3

• 7

Multiple Choice

Find the range of the data.

63, 71, 65, 66, 87, 53

• 32

• 33

• 34

• 35

Multiple Choice

Find the range of the data.

16, 28, 6, 19, 21, 15, 22, 33, 17

• 18

• 27

• 30

• 12

Multiple Choice

18, 4, 12, 2, 13, 18, 2, 2, 10
What is the range of this data set?

• 9

• 20

• 2

• 16

How to create a box and whisker diagram.

Multiple Choice

What is the minimum value?

• 64

• 58

• 66

• 60

Multiple Choice

What is the maximum value?

• 58

• 66

• 64

• 60

Multiple Choice

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

Multiple Choice

What value is the lower quartile?

• 66

• 58

• 60

• 64

Multiple Choice

What is the median?

• 62

• 58

• 66

• 60

Multiple Choice

Which box and whisker plot has the smallest lower quartile (Q1)?

• Top plot

• Bottom plot

Multiple Choice

Which city has a higher median?

• Millersburg

• Arcadia

Multiple Choice

Which best represents the Interquartile Range

• 15

• 93

• 85

• 78

Multiple Choice

Which box and whisker plot shows more "spread out" data?

• Top plot

• Bottom plot

Multiple Choice

Which class has the highest test score?

• 1st Period

• 2nd Period

Multiple Choice

What is the maximum amount of goals scored?

• 3

• 1

• 0

• 7

Multiple Choice

What is the median number of goals scored?

• 3

• 3.5

• 4

• 5

Fill in the Blank

What is the spread of the data set?

Multiple Choice

How many people exercised for at least 3 hours?

• 2

• 7

• 6

• 3

Multiple Choice

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6