# Year 9 Maths - Statistics And Probability

25 Questions | Attempts: 960  Settings  • 1.
Questions 1 - 3Nineteen students were surveyed on how many times they had been to the shops in the last month.  The results were: 1, 5, 8, 4, 5, 0, 6, 2, 4, 6, 8, 1, 6, 8, 5, 4, 7, 4, 7Remember to sort in ascending order.
• 2.
Questions 4 - 7The following back-to-back stem and leaf plot shows the heights for 30 males and 30 females in Year 10.
• 3.
Questions 8 - 10Complete the above table and answer the questions below.
• 4.
Questions 15 - 17Consider the following box-whisper plot...
• 5.
Questions 18 - 20
• 6.
What is the mean for the Year 10 females?
• A.

167

• B.

167.6

• C.

168.2

• D.

168.7

• E.

169.5

• F.

170

• 7.
What is the mode?
• A.

4

• B.

4.78

• C.

4.79

• D.

5

• E.

5.06

• 8.
What is the median?
• A.

4

• B.

4.78

• C.

4.79

• D.

5

• E.

5.06

• 9.
What is the mean?
• A.

4

• B.

4.78

• C.

4.79

• D.

5

• E.

5.06

• 10.
What is the mode for the whole class?
• A.

167

• B.

167.6

• C.

168.2

• D.

168.7

• E.

169.5

• F.

170

• 11.
What is the median for the Year 10 males?
• A.

167

• B.

167.6

• C.

168.2

• D.

168.7

• E.

169.5

• F.

170

• 12.
What is the median for the Year 10 females?
• A.

167

• B.

167.6

• C.

168.2

• D.

168.7

• E.

169.5

• F.

170

• 13.
What is the mean?
• A.

2.9

• B.

5

• C.

5.8

• D.

6

• E.

7

• 14.
What is the median?
• A.

2.9

• B.

5

• C.

5.8

• D.

6

• E.

7

• 15.
What is the mode?
• A.

2.9

• B.

5

• C.

5.8

• D.

6

• E.

7

• 16.
A bowl contains 30 identical balls numbered 1 to 30. A ball is drawn at random from the bowl. The probability that the number on the ball is a multiple of 4 is:
• A.

1 / 30

• B.

2 / 15

• C.

7 / 30

• D.

1 / 4

• 17.
A die was rolled 30 times. The table below shows the frequency of each number rolled.What is the probability of rolling a 5? Dice Face123456Frequency736563
• A.

1 / 6

• B.

1 / 5

• C.

5 / 6

• D.

6

• 18.
Sheldon has cereal for breakfast every day. Each day he randomly selects from the four different cereals on his shelf.The probability that Sheldon has Cornflakes, one of the cereals on the shelf, two days in a row is:
• A.

1 / 16

• B.

1 / 8

• C.

1 / 4

• D.

1 / 2

• 19.
The probability of choosing, by random selection, a white ball from a bag containing 3 red balls, 2 white balls and 4 brown balls is:
• A.

2 / 9

• B.

1 / 3

• C.

4 / 9

• D.

2 / 3

• 20.
What is the median?
• A.

32

• B.

40

• C.

60

• D.

80

• 21.
What is the range?
• A.

32

• B.

40

• C.

60

• D.

80

• 22.
What is the inter-quartile range?
• A.

32

• B.

40

• C.

60

• D.

80

• 23.
How many students play Soccer and Hockey?
• A.

4

• B.

8

• C.

10

• D.

12

• E.

14

• F.

22

• 24.
How many students play Soccer?
• A.

4

• B.

8

• C.

10

• D.

12

• E.

14

• F.

22

• 25.
How many students play only Hockey?
• A.

4

• B.

8

• C.

10

• D.

12

• E.

14

• F.

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