Mean/Median/Mode/Range, Reduce & Percent of a Number

Mean

100

What is another word for "mean"?

Average

200

Find the mean of this data set:

12, 17, 22 and 25

19

300

Find the mean of this data set, to the nearest hundredth:

22, 46, 43, 12, 9 and 2

22.33

400

Find the mean of this data set, to the nearest tenth:

146, 340, 234, 101 and 222

What is 208.6.

500

Find the mean of the following data set, to the nearest tenth:

65, 54, 87, 45, 98, 65, 45, 32

61.4

Mode

100

What is meant by the "mode"?

The number that occurs the "Most Often" in a data set.

200

15,45,28,98,28,64,28,12,15 Find the mode of the following data set:

15, 45, 28, 98, 28, 64, 28, 12, 15

28

300

Find the mode of the following data set:

54, 98, 67, 12, 54, 35, 54, 12, 98

54

400

Find the mode of the following data set:

35, 71, 17, 24, 98, 43, 24, 36, 24

24

500

Find the mode of the following data set:

23, 87, 45, 16, 32, 17 and 16

16

Median

100

What is meant by the "median"?

The "middle" number of a data set.

200

Find the median of the following data set:

51, 15, 14, 32, 23, 9, and 16

16

300

Find the median of the following data set:

21, 92, 43, 5, 78, 2 and 4

21

400

Find the median of the following  data set:

65, 23, 87, 54, 17, 18

38.5

500

Find the median of the following data set:

17, 45, 34, 65, 23, 32, 22, 43

33

Reduce

100

12 / 24

1 / 2

200

48 / 56

6 / 7

300

63 / 81

7 / 9

400

20 / 100

1 / 5

500

3 / 12

1 / 4

Percent of a Number

100

What is 33% of 150?

49.5

200

What is 50% of 300?

150

300

What is 75% of 100?

75

400

What is 150% of 200?

300

500

What is 200% of 400?

800