Practise questions · Salam Academy

SA-4024-ST5-0011 markL1 FoundationCalculatorTypes of data

The number of goals scored in a football match is

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SA-4024-ST5-0021 markL1 FoundationCalculatorTypes of data

Which of these is continuous data?

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SA-4024-ST5-0031 markL1 FoundationCalculatorTypes of data

Which sample is most likely to give an unbiased estimate of how much exercise adults in a town do?

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SA-4024-ST5-0051 markL1 FoundationNon-calculatorTables & stem-and-leaf

Key

3\,|\,5=35

. A stem-and-leaf diagram shows

2\,|\,1\ 4\ 7

;

3\,|\,0\ 2\ 2\ 5

;

4\,|\,1\ 3

. Find the median.

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SA-4024-ST5-0061 markL1 FoundationNon-calculatorTables & stem-and-leaf

For the same stem-and-leaf diagram (

2\,|\,1\ 4\ 7

;

3\,|\,0\ 2\ 2\ 5

;

4\,|\,1\ 3

; key

3\,|\,5=35

), find the range.

Salam Academy Original Practice · Proposed mark scheme

SA-4024-ST5-0071 markL1 FoundationNon-calculatorTables & stem-and-leaf

For the same stem-and-leaf diagram (

2\,|\,1\ 4\ 7

;

3\,|\,0\ 2\ 2\ 5

;

4\,|\,1\ 3

; key

3\,|\,5=35

), how many values are greater than

30

?

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SA-4024-ST5-0081 markL1 FoundationNon-calculatorTables & stem-and-leaf

A frequency table shows the number of siblings:

1

(frequency

5

),

2

(frequency

8

),

3

(frequency

4

),

4

(frequency

3

). How many people have more than

2

siblings?

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SA-4024-ST5-0091 markL1 FoundationNon-calculatorTables & stem-and-leaf

Write down the width of the class

20\le x<35

.

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SA-4024-ST5-0101 markL1 FoundationNon-calculatorTables & stem-and-leaf

On a frequency polygon, the class

10\le x<20

is plotted at which

x

-value?

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SA-4024-ST5-0121 markL1 FoundationCalculatorTypes of data

Data you collect yourself, for example by a survey you design, is called

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SA-4024-ST5-0042 marksL2 StandardNon-calculatorTypes of data

In a random sample of

50

students from a school of

1000

,

12

walk to school. Estimate how many students in the school walk.

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SA-4024-ST5-0112 marksL3 ExamNon-calculatorTypes of data

A lake contains an unknown number of fish.

40

are caught, tagged and released. Later,

50

are caught and

8

of them are tagged. Estimate the number of fish in the lake.

Salam Academy Original Practice · Proposed mark scheme

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