50108

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

537

Question

The progression of the world pole vault record is graphed below.



By about how many centimetres did the world record increase between 1985 and 2005?

Worked Solution
Increase\text{Increase} = 6.05 m −− 5.84 m
= 605 cm −- 584 cm
= 21 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The progression of the world pole vault record is graphed below.
sm_img //teacher.smartermaths.com.au/wp-content/uploads/2016/12/NAP-169-NC05_1.png 465 indent vpad
By about how many centimetres did the world record increase between 1985 and 2005?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $\text{Increase}$ | = 6.05 m $−$ 5.84 m | | | = 605 cm $-$ 584 cm | | | = {{correctAnswer}} cm |
correctAnswer
21

Answers

Is Correct?Answer
x

13

x

19

✓

21

x

25

Variant 1

DifficultyLevel

538

Question

The progression of the world men's 100 metres sprinting record is graphed below.



By about how many seconds did the world record decrease between 1960 and the end of 1987?

Worked Solution
Decrease\text{Decrease} = 9.93 seconds −− 9.58 seconds
= 0.35 seconds

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The progression of the world men's 100 metres sprinting record is graphed below.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_Prob_50108_v1.svg 750 indent vpad
By about how many seconds did the world record decrease between 1960 and the end of 1987?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $\text{Decrease}$ | = 9.93 seconds $−$ 9.58 seconds | | | = {{correctAnswer}} seconds |
correctAnswer
0.35

Answers

Is Correct?Answer
x

0.18

x

0.20

x

0.23

✓

0.35

Variant 2

DifficultyLevel

539

Question

The graph below shows the progression of Johan's heart rate, in beats per minute (bpm), at the end of each phase of a cardio workout.



By approximately how many beats per minute did Johan's heart rate increase between the start and the end of Circuit 7?

Worked Solution
Increase\text{Increase} = 174 bpm −− 54 bpm
= 120 bpm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The graph below shows the progression of Johan's heart rate, in beats per minute (bpm), at the end of each phase of a cardio workout.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_Prob_50108_v2.svg 600 indent vpad
By approximately how many beats per minute did Johan's heart rate increase between the start and the end of Circuit 7?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $\text{Increase}$ | = 174 bpm $−$ 54 bpm | | | = {{correctAnswer}} bpm |
correctAnswer
120

Answers

Is Correct?Answer
x

140

✓

120

x

74

x

64

Variant 3

DifficultyLevel

540

Question

The progression of the women's world triple jump record is graphed below



By approximately how many centimetres did the world record increase between the start of 1984 and the end 1995?

Worked Solution
Increase\text{Increase} = 1550 cm −− 1300 cm
= 250 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The progression of the women's world triple jump record is graphed below
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_Prob_50108_v3.svg 700 indent vpad
By approximately how many centimetres did the world record increase between the start of 1984 and the end 1995?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $\text{Increase}$ | = 1550 cm $−$ 1300 cm | | | = {{correctAnswer}} |
correctAnswer
250 cm

Answers

Is Correct?Answer
x

300 cm

✓

250 cm

x

180 cm

x

3 cm

Variant 4

DifficultyLevel

541

Question

The progression of the women's short course 100 metres freestyle record is graphed below.



By about how many seconds did the world record decrease between 1994 and 2018?

Worked Solution
Increase\text{Increase} ≈\approx 53.00 seconds −− 50.25 seconds
≈\approx 2.75 seconds

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The progression of the women's short course 100 metres freestyle record is graphed below.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_Prob_50108_v4.svg 560 indent vpad
By about how many seconds did the world record decrease between 1994 and 2018?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $\text{Increase}$ | $\approx$ 53.00 seconds $−$ 50.25 seconds | | | $\approx$ {{correctAnswer}} |
correctAnswer
2.75 seconds

Answers

Is Correct?Answer
✓

2.75 seconds

x

3.25 seconds

x

4 seconds

x

4.3 seconds

Variant 5

DifficultyLevel

556

Question

The graph below shows the progression of Rumour's 10 kilometre running time, in minutes, over a period of 12 months.



By approximately how many minutes and seconds did Rumour's running time decrease from January to December?

Worked Solution
Decrease\text{Decrease} = 7.75 minutes −− 4.5 minutes
= 3.25 minutes
= 3 minutes 15 seconds

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The graph below shows the progression of Rumour's 10 kilometre running time, in minutes, over a period of 12 months.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2022/09/Stat_Prob_50108_v5_1.svg 500 indent vpad
By approximately how many minutes and seconds did Rumour's running time decrease from January to December?
workedSolution
| | | | --------------------- | -------------------------------------------- | | $\text{Decrease}$ | = 7.75 minutes $−$ 4.5 minutes | | | = 3.25 minutes | | | = {{correctAnswer}} |
correctAnswer
3 minutes 15 seconds

Answers

Is Correct?Answer
✓

3 minutes 15 seconds

x

3 minutes 25 seconds

x

3 minutes 45 seconds

x

4 minutes 15 seconds

Tags