30149

Question

{{name}} runs a {{business}}.

The number of {{item1}} {{gender}} has {{verb}} over the last six years is recorded in the graph shown below.


{{image}}


What was the average number of {{item2}} each year?

Worked Solution
Average = {{frac1}}
= {{frac2}}
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

551

Question

Carol runs a tiger sanctuary.

The number of tiger cubs she has bred over the last six years is recorded in the graph shown below.



What was the average number of cubs born each year?

Worked Solution
Average = 8+16+12+20+12+46\dfrac{8 + 16 + 12 + 20 + 12 + 4}{6}
= 726\dfrac{72}{6}
= 12.0

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
name
Carol
business
tiger sanctuary
item1
tiger cubs
gender
she
verb
bred
item2
cubs born
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/q39var1_r.svg 440 indent3 vpad
frac1
$\dfrac{8 + 16 + 12 + 20 + 12 + 4}{6}$
frac2
$\dfrac{72}{6}$
correctAnswer
12.0

Answers

Is Correct?Answer
x

11.2

✓

12.0

x

12.7

x

13.3

Variant 1

DifficultyLevel

551

Question

Byrne runs a real estate agency.

The number of houses he has sold over the last six years is recorded in the graph shown below.



What was the average number of houses sold by Byrne each year?

Worked Solution
Average = 10+15+10+20+20+156\dfrac{10 + 15 + 10 + 20 + 20 + 15}{6}
= 906\dfrac{90}{6}
= 15.0

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
name
Byrne
business
real estate agency
item1
houses
gender
he
verb
sold
item2
houses sold by Byrne
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/q39var2_r.svg 440 indent3 vpad
frac1
$\dfrac{10 + 15 + 10 + 20 + 20 + 15}{6}$
frac2
$\dfrac{90}{6}$
correctAnswer
15.0

Answers

Is Correct?Answer
x

13.9

x

14.2

✓

15.0

x

15.8

Variant 2

DifficultyLevel

551

Question

Denis runs a ship building company.

The number of yachts he has built over the last six years is recorded in the graph shown below.



What was the average number of yachts built each year?

Worked Solution
Average = 16+8+10+10+20+46\dfrac{16 + 8 + 10 + 10 + 20 + 4}{6}
= 686\dfrac{68}{6}
= 11.3

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
name
Denis
business
ship building company
item1
yachts
gender
he
verb
built
item2
yachts built
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/q39var3_r.svg 440 indent3 vpad
frac1
$\dfrac{16 + 8 + 10 + 10 + 20 + 4}{6}$
frac2
$\dfrac{68}{6}$
correctAnswer
11.3

Answers

Is Correct?Answer
✓

11.3

x

11.6

x

12.0

x

12.2

Variant 3

DifficultyLevel

551

Question

Ben runs a gymnasium.

The number of treadmills he has purchased over the last six years is recorded in the graph shown below.



What was the average number of treadmills purchased each year?

Worked Solution
Average = 5+5+10+20+15+256\dfrac{5 + 5 + 10 + 20 + 15 + 25}{6}
= 806\dfrac{80}{6}
= 13.3

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
name
Ben
business
gymnasium
item1
treadmills
gender
he
verb
purchased
item2
treadmills purchased
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/q39var4_r.svg 440 indent3 vpad
frac1
$\dfrac{5 + 5 + 10 + 20 + 15 + 25}{6}$
frac2
$\dfrac{80}{6}$
correctAnswer
13.3

Answers

Is Correct?Answer
x

12.5

x

13.0

✓

13.3

x

14.2

Variant 4

DifficultyLevel

551

Question

Joe runs a zoo.

The number of tigers he has bred over the last six years is recorded in the graph shown below.



What was the average number of tigers bred each year?

Worked Solution
Average = 25+20+25+15+10+206\dfrac{25 + 20 + 25 + 15 + 10 + 20}{6}
= 1156\dfrac{115}{6}
= 19.2

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
name
Joe
business
zoo
item1
tigers
gender
he
verb
bred
item2
tigers bred
image
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2020/07/q39var5_r.svg 440 indent3 vpad
frac1
$\dfrac{25 + 20 + 25 + 15 + 10 + 20}{6}$
frac2
$\dfrac{115}{6}$
correctAnswer
19.2

Answers

Is Correct?Answer
x

16.7

x

18.3

✓

19.2

x

20.0

Tags

  • ms_ca
  • ch_mean