1. A charity sells raffle tickets for 50p each. The winning prize is

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1.

A charity sells raffle tickets for 50p each.

The winning prize is £100.

50 people bought 1 ticket each.

80 people bought 2 tickets each.

70 people bought 3 tickets each.

95 people bought 4 tickets each.

40 people bought 5 tickets each.

Calculate how much profit the charity made on this raffle.

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Answer £ …………………………………….

(Total 4 marks)

2.

A telephone company collected data about the number of telephones in each of 60 households.

The table shows the results.

Number of telephones

0

1

2

5

6

3

4

7

8

Number of households

2

15

12

10

8

7

5

0

1

(a) Calculate the total number of telephones in these 60 households.

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Answer ..........................................................................

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(2)

1

(b) Calculate the mean number of telephones per household.

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Answer ..........................................................................

(2)

(Total 4 marks)

3.

Phil counts the number of people in 50 cars that enter a car park.

His results are shown in the table.

Number of people

1

2

3

4 more than 4

Frequency

25

17

6

2

0

Calculate the mean number of people per car.

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Answer ............................................

(Total 3 marks)

4.

Chloe records the number of goals scored by her favourite football team in each of 40 matches.

Number of goals

0

1

2

3

4

5

Frequency

7

15

13

2

2

1

(a) Write down the mode of the number of goals scored.

Answer .........................................................................

(1)

The Robert Smyth School 2

(b) Calculate the mean number of goals scored per match.

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Answer .........................................................................

(3)

(Total 4 marks)

5.

Chloe records the number of goals scored by her favourite football team in each of 40 matches.

Number of goals

0

1

2

3

4

5

Frequency

7

15

13

2

2

1

Chloe’s father watched one of these matches on TV.

What is the probability that the team scored at least one goal in that match?

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Answer .........................................................................

(2)

(Total 2 marks)

The Robert Smyth School 3

6.

(a) The National Curriculum levels in Mathematics for 30 students in year 9 were recorded.

Level

3

4

7

8

5

6

Calculate the mean level.

Number of students

0

4

8

5

4

9

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Answer...............................................................................

(b) The 30 students study both French and Spanish.

Their National Curriculum levels in these subjects are shown in the two-way table.

Level in Spanish

1 2 3 4 5 6

Level 1 0 0 0 0 0 0 in 2 1 0 0 0 0 0

French 3 2 1 1 0 0 0

4 0 3 4 1 0 0

5 0 1 2 3 2 0

6 0 0 3 3 2 1

(i) What is the median level for French?

Show clearly how you obtained your answer.

(3)

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Answer...............................................................................

(ii) The teacher claims that the students are better at French than at Spanish. How can you tell from the table that this is true?

(2)

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(1)

(Total 6 marks)

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1 .

fx M1 eg 1 × 50 seen (not 50 alone) or 2 × 80 or 160 or 50 × 50(p) etc

 fx (= “1000”)

Adding 'correct' 5 products

1000

£500

M1M1

M1M1

“1000” × 50p – £100

Not 335 × 50p – £100

= £400

M1 dep

M1dep

A1

2.

(a)

 fx eg 0 × 2 + 1 × 15 + 2 × 12... seen (or 0 + 15 + 24...) at least 3 products summed

= 174

(b) their total in (a)

60

Dep on first M1

Can be implied from correct ft ans

= 2.9

Accept 3 from correct working seen

M1

A1

M1 dep

A1

3.

(1 ×) 25 + 2 × 17 + 3 × 6 + 4 × 2

Attempt at

 fx at least 3 products summed seen eg 83 – 87

85 ÷ 50

Evidence of

 fx ÷ 50 eg 83 – 87 ÷ 50

= 1.7

Accept 2 from correct working

M1

M1 dep

A1

4.

(a) 1

(b) (0 × 7) + 1 × 15 + 2 × 13 + 3 × 2 + 4 × 2 + 5 × 1

Or 0 + 15 + 26 + 6 + 8 + 5

Attempt at

 fx or total 58 to 63 or 67

0 × 7 need not be included

“60” 

40

= 1.5

Ans only of 1.675 SC1

B1

M1

M1 dep

A1

[4]

[4]

[3]

[4]

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5 .

15 + 13 + 2 + 2 + 1 or 40 – 7

33

=

40

6.

(a)

(3 × 0) + 4 × 4 +5 × 4 + 6 × 9+7 × 8 + 8 × 5

Their 186/30

6.2

(b) (i) 15 th

and 16 th

value in F5/S3 box

Accept cum.freq. as evidence of working

0,1, 5, 13, 21, (30)

(30 ÷ 6 = 5 is M0)

List 2333344444444555....

5

(ii) Most pupils in bottom section of table or

No pupils with higher grade in Spanish than in French oe No incorrect statements

M1

A1

M1

DM1

A1

M1

[2]

A1

B1

[6]

The Robert Smyth School 6

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