Statistics, NAPX9-TLB-16 v1

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

529

Question

The results of a general knowledge test are shown in the graph below.

How many students scored 70 or less?

Worked Solution

Number of students who scored 70 or less
= 8+4+10+88+4+10+8
= 30

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The results of a general knowledge test are shown in the graph below. sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_NAPX9-TLB-16v1_v0.svg 300 indent vpad How many students scored 70 or less?
workedSolution
sm_nogap Number of students who scored 70 or less
>| | ---------- | | \= $8+4+10+8$ | | \= {{{correctAnswer}}} |
correctAnswer
30

Answers

Is Correct?Answer
x

8

x

12

x

22

x

24

✓

30

Variant 1

DifficultyLevel

530

Question

The results of a spelling quiz are shown in the graph below.

How many students scored 35 or more?

Worked Solution

Number of students who scored 35 or more
= 12+14+10+612+14+10+6
= 42

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The results of a spelling quiz are shown in the graph below. sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_NAPX9-TLB-16v1_v1.svg 300 indent vpad How many students scored 35 or more?
workedSolution
sm_nogap Number of students who scored 35 or more
>| | ---------- | | \= $12+14+10+6$ | | \= {{{correctAnswer}}} |
correctAnswer
42

Answers

Is Correct?Answer
x

6

x

14

x

30

✓

42

x

72

Variant 2

DifficultyLevel

542

Question

The results of a mathematics test are shown in the graph below.

If the test was out of 30, how many students scored less than 50%?

Worked Solution

50% ×\times 30 = 15

Number of students who scored less than 15
= 6+8+96+8+9
= 23

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The results of a mathematics test are shown in the graph below. sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_NAPX9-TLB-16v1_v2.svg 300 indent vpad If the test was out of 30, how many students scored less than 50%?
workedSolution
50% $\times$ 30 = 15 sm_nogap Number of students who scored less than 15
>| | ---------- | | \= $6+8+9$ | | \= {{{correctAnswer}}} |
correctAnswer
23

Answers

Is Correct?Answer
x

3

x

20

✓

23

x

29

x

51

Variant 3

DifficultyLevel

548

Question

The results of a reading test are shown in the graph below.

If the test was out of 10, how many students scored 70% or more?

Worked Solution

70% ×\times 10 = 7

Number of students who scored 7, 8, 9 or 10
= 5+7+6+45+7+6+4
= 22

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The results of a reading test are shown in the graph below. sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_NAPX9-TLB-16v1_v3a.svg 300 indent vpad If the test was out of 10, how many students scored 70% or more?
workedSolution
70% $\times$ 10 = 7 sm_nogap Number of students who scored 7, 8, 9 or 10
>| | ---------- | | \= $5+7+6+4$ | | \= {{{correctAnswer}}} |
correctAnswer
22

Answers

Is Correct?Answer
x

5

x

10

x

17

✓

22

x

46

Variant 4

DifficultyLevel

549

Question

The position of riders in an 80 kilometre race was tracked after 2 hours and the results are show in the graph below.

From the graph, how many riders are still more than half way from home after 2 hours?

Worked Solution

12× 80=40\dfrac{1}{2} \times\ 80 = 40

Number of riders more than 40 kilometres from home
= 7+47+4
= 11

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The position of riders in an 80 kilometre race was tracked after 2 hours and the results are show in the graph below. sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_NAPX9-TLB-16v1_v4.svg 300 indent vpad From the graph, how many riders are still more than half way from home after 2 hours?
workedSolution
$\dfrac{1}{2} \times\ 80 = 40$ sm_nogap Number of riders more than 40 kilometres from home
>| | ---------- | | \= $7+4$ | | \= {{{correctAnswer}}} |
correctAnswer
11

Answers

Is Correct?Answer
✓

11

x

17

x

38

x

44

x

55

Variant 5

DifficultyLevel

538

Question

The sales targets of employees at a company are shown in the graph below.

How many employees reached the sales target of at least $800 in sales?

Worked Solution

Number of employees who reached the target of at least $800
= 16+21+22+2616+21+22+26
= 85

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The sales targets of employees at a company are shown in the graph below. sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_NAPX9-TLB-16v1_v5a.svg 440 indent vpad How many employees reached the sales target of at least $800 in sales?
workedSolution
sm_nogap Number of employees who reached the target of at least $800
>| | ---------- | | \= $16+21+22+26$ | | \= {{{correctAnswer}}} |
correctAnswer
85

Answers

Is Correct?Answer
✓

85

x

81

x

69

x

16

x

4

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