Free Printable Statistika Grade 8

1.

Find the mode of the following data , 15, 22, 17, 19, 22, 17, 29, 24, 17, 15

a)

15

b)

17

c)

19

d)

22

2.

7, 21, 2, 17, 3, 13, 7, 4, 9, 7, 9

What is the mean, median, mode for the set?

a)

9, 7, 7

b)

7, 7, 7

c)

9, 7, 9

d)

11, 7, 9

3.

Find the median of the following data, 47, 41, 52, 43, 56, 35, 49, 55, 42

a)

47

b)

49

c)

42

d)

56

4.

Find the range

25, 10, 12, 26, 4

a)

22

b)

12

c)

10

d)

4

5.

FInd the mode

4, 2, 6, 4, 8, 1,3

a)

3

b)

4

c)

8

d)

3

6.

Find the mean.
90, 100, 95, 85, 60, 80

a)

85

b)

84

c)

86

d)

90

7.

Find the median.
12, 5, 9, 18, 22, 25, 5

a)

9

b)

8

c)

12

d)

18

8.

What is the median of:
6, 12, 16, 11, 8, 4, 1, 11, 4

a)

11

b)

6

c)

8

d)

7

9.

Lizzy had test scores of: 72, 94, 108, 60
What is the RANGE of her test scores?

a)

12

b)

72

c)

48

d)

98

10.

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

a)

40

b)

24

c)

4

d)

256

11.

Find the mode of this data set:

67, 74, 95, 98, 98, 99, 102

a)

90.4

b)

35

c)

92

d)

98

12.

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

a)

20

b)

18

c)

11

d)

19

13.

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

a)

9

b)

5

c)

3

d)

7

14.

Find the Mean of:
8, 14, 32, 6, 15

a)

15

b)

175

c)

75

d)

12

15.

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

a)

29

b)

38

c)

50

d)

145

16.

Find the median.
12, 5, 9, 18, 22, 25, 5

a)

9

b)

8

c)

12

d)

18

17.

To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.

a)

Mean

b)

Median

c)

Mode

d)

Range

18.

To find the _________ you add up all the numbers and then divide by how many numbers you have.

a)

Mean

b)

Median

c)

Mode

d)

Range

19.

The weights of boxes packed for shipping are shown in the stem-and-leaf plot below.

How many boxes weigh more than 45 pounds?

a)

8

b)

3

c)

1

d)

7

20.

This plot show the ages of people at a birthday party. How many people at the party are 20 years of age or younger ?

a)

7

b)

6

c)

8

d)

5

21.

This plot show how many point was scored on a video game. What is the difference between the greatest and least amount of point scored?

a)

48

b)

39

c)

38

d)

84

22.

Which set of data belongs to this stem-and-leaf plot?

a)

8,8,12,17,19,22,23,31,35,40

b)

8,12,17,18,19,22,23,31,35,40

c)

8,12,17,18,19,22,22,23,31,35,40

d)

8,12,17,18,19,22,31,35,40

23.

How many scores are listed in this Stem and Leaf Plot?

a)

3

b)

6

c)

9

d)

18

24.

How many students scored more than 80%?

a)

10

b)

2
13

c)

7

d)

15

25.

How many students scored full marks on the test?

a)

0

b)

2

c)

6

d)

1

26.

This stem and leaf diagram shows the heights of Mrs Smith's flowers. How many flowers does she have?

a)

19

b)

20

c)

6

d)

18

27.

This stem and leaf diagram shows the heights of Mrs Smith's flowers. What is the height of the shortest flower?

a)

9cm

b)

1cm

c)

12cm

d)

0.9cm

28.

This stem and leaf diagram shows the ages of a group of people. How many people in this group are older than 25?

a)

7

b)

4

c)

8

d)

5

29.

This stem and leaf diagram shows the ages of a group of people. How many people in this group are younger than 20?

a)

3

b)

8

c)

4

d)

5

30.

This stem and leaf diagram shows the ages of a group of people. How old is the oldest member of this group?

a)

44

b)

40

c)

50

d)

4

31.

This stem and leaf diagram shows the ages of a group of people. How old is the youngest member of this group?

a)

14

b)

10

c)

15

d)

1

32.

This stem and leaf diagram shows the ages of a group of people.How many people are there in the group?

a)

12

b)

10

c)

16

d)

11

33.

How many baseballs were thrown 50 or more feet?

a)

5

b)

4

c)

13

d)

8

34.

How many games did the team play?

a)

15

b)

12

c)

24

d)

14

35.

This shows how many baseball cards a group of friends have in their collections. How many friends have baseball card collections with more than 70 cards?

a)

7

b)

8

c)

9

d)

4

36.

What is the highest quiz grade in the stem and leaf plot?

a)

9

b)

26

c)

92

d)

96

37.

This plot represent the number of cookies eaten at a county fair. What was the greatest amount of cookies eaten?

a)

97

b)

100

c)

10

d)

96

38.

What is the minimum in this data set?

a)

0

b)

4

c)

9

d)

40

39.

Jenny records the heights of her family members. The heights, in inches, are 50, 53, 45, 52, 68, 56 47, 69, and 60. The stem-and-leaf plot shows some of the data.

What are the leaves for stem 5?

a)

2, 3, 7

b)

0, 2, 3, 5

c)

0, 2, 3, 6

d)

2, 3, 5

40.

The distances Clea biked weekly, in miles,

are 49, 31, 36, 41, 28, 44, 23, 34, 32, 33,

and 25. The stem-and-leaf plot shows some

of the data.

What are the leaves for stem 2?

a)

1, 2, 3, 4, 6

b)

3, 5, 8

c)

2, 3, 5, 6

d)

2, 3, 5, 8

41.

Ted records the heights of the

sunflowers in his family’s garden. In

inches, the heights are 24, 11, 21, 18,

15, 25, 30, 13, 23, and 36. The stemand-

leaf plot shows some of the data.

What leaves should Ted write for

stem 1?

a)

1, 3, 5, 8

b)

1, 3, 8

c)

1, 2, 3, 5, 8

d)

2, 3, 5, 8

42.

How many students scored more than 80%?

a)

10

b)

13

c)

7

d)

15

43.

What is the highest quiz grade in the stem and leaf plot?

a)

9

b)

26

c)

92

d)

96

44.

How many students got a perfect score on the test?

a)

0

b)

2

c)

6

d)

1

45.

How many baseballs were thrown 50 or more feet?

a)

5

b)

4

c)

13

d)

8

46.

For the number 58, 5 is in the _____ column, and 8 is in the ____ column.

a)

stem, leaf

b)

leaf, steam

c)

weight crate

47.

Which set of data below would be organized best in a Stem and Leaf Plot?

a)

5,5,5,4,4,7,7,7

b)

34, 56, 44, 46, 45, 37, 53

c)

0,0,0,1,1,1,1,2,3,3,3

d)

100, 500, 350, 295, 807

48.

The graph above represents the results of a survey regarding the amount of Pokemon cards people own. Which statement could be true based on the data in the graph?

a)

Some of the people surveyed do not own any Pokemon cards.

b)

Over ten people own more than 50 Pokemon Cards.

c)

11 people surveyed own less than 10 Pokemon cards.

49.

What is the range of the data set?

a)

1

b)

4

c)

2

d)

6

50.

How many cars were sold on Monday and Tuesday?

a)

13

b)

5

c)

11

d)

2

51.

Calculate the mode of the data:

3,9,8,6,4,9,3,9

a)

7

b)

9

c)

6.4

d)

3

52.

A data value that is much higher or much lower than the other values in a data set.

a)

outlier

b)

inlier

c)

immalier

d)

sublier

53.

What is the minimum in this data set?

a)

0

b)

4

c)

9

d)

40

54.

How many students scored full marks on the test?

a)

0

b)

2

c)

6

d)

1

55.

How many players throw a minimum of 97.2 mph?

a)

9

b)

6

c)

1

d)

10

56.

Find the Median?

a)

95

b)

97.2

c)

96.8

d)

98

57.

Find the mean?

a)

3.3

b)

99

c)

97.4

d)

98

58.

How many students like Strawberry and Vanilla ice creams?

a)

8

b)

12

c)

20

d)

26

59.

The mean of 8, 11, 6, 14, x and 13 is 66. Find the value of the observation x.

a)

344

b)

343

c)

434

d)

443

60.

How many cities have temperatures between 70 degrees and 99 degrees?

a)

44

b)

34

c)

26

d)

62

Statistika Grade 8

Total questions: 60

Worksheet time: 2hrs 54mins

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