30148

Question

The table below records the 2019 car sales in Asia of 4 car markers.


Car Maker Sales in Asia
{{make1}} {{number1}}
{{make2}} {{number2}}
{{make3}} {{number3}}
{{make4}} {{number4}}

What was the average (mean) car sales for the four car makers during 2019?

Worked Solution

One strategy: calculate approximate total sales by rounding numbers in the millions before adding (eg. 3 790 282 ⇒\Rightarrow 3.8 million).
Mean Sales = Total Sales ÷\div 4
{{working1}} million
{{working2}} million
= {{{correctAnswer}}} (closest option)

Variant 0

DifficultyLevel

578

Question

The table below records the 2019 car sales in Asia of 4 car markers.


Car Maker Sales in Asia
BMW 1 152 322
Ford 2 901 907
Toyota 5 838 818
Nissan 2 143 805

What was the average (mean) car sales for the four car makers during 2019?

Worked Solution

One strategy: calculate approximate total sales by rounding numbers in the millions before adding (eg. 3 790 282 ⇒\Rightarrow 3.8 million).
Mean Sales = Total Sales ÷\div 4
≈1.2+2.9+5.8+2.14\approx \dfrac{1.2 + 2.9 + 5.8 + 2.1}{4} million
≈12.04\approx \dfrac{12.0}{4} million
= 3 009 213 (closest option)

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
make1
BMW
number1
1 152 322
make2
Ford
number2
2 901 907
make3
Toyota
number3
5 838 818
make4
Nissan
number4
2 143 805
total
$\dfrac{12\ 036\ 852}{4}$
working1
$\approx \dfrac{1.2 + 2.9 + 5.8 + 2.1}{4}$
working2
$\approx \dfrac{12.0}{4}$
correctAnswer
3 009 213

Answers

Is Correct?Answer
✓

3 009 213

x

3 602 301

x

4 107 882

x

5 337 225

Variant 1

DifficultyLevel

578

Question

The table below records the 2019 car sales in Asia of 4 car markers.


Car Maker Sales in Asia
Mercedes 1 234 726
Toyota 5 838 818
Honda 2 309 222
Tesla 641 730

What was the average (mean) car sales for the four car makers during 2019?

Worked Solution

One strategy: calculate approximate total sales by rounding numbers in the millions before adding (eg. 3 790 282 ⇒\Rightarrow 3.8 million).
Mean Sales = Total Sales ÷\div 4
≈1.2+5.8+2.3+0.64\approx \dfrac{1.2 + 5.8 + 2.3 + 0.6}{4} million
≈9.94\approx \dfrac{9.9}{4} million
= 2 506 124 (closest option)

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
make1
Mercedes
number1
1 234 726
make2
Toyota
number2
5 838 818
make3
Honda
number3
2 309 222
make4
Tesla
number4
641 730
total
$\dfrac{10\ 024\ 496}{4}$
working1
$\approx \dfrac{1.2 + 5.8 + 2.3 + 0.6}{4}$
working2
$\approx \dfrac{9.9}{4}$
correctAnswer
2 506 124

Answers

Is Correct?Answer
x

2 029 789

✓

2 506 124

x

3 028 131

x

3 671 810

Variant 2

DifficultyLevel

578

Question

The table below records the 2019 car sales in Asia of 4 car markers.


Car Maker Sales in Asia
Toyota 5 838 818
Volkswagon 5 127 382
Tesla 641 730
Nissan 4 272 578

What was the average (mean) car sales for the four car makers during 2019?

Worked Solution

One strategy: calculate approximate total sales by rounding numbers in the millions before adding (eg. 3 790 282 ⇒\Rightarrow 3.8 million).
Mean Sales = Total Sales ÷\div 4
≈5.8+5.1+0.6+4.34\approx \dfrac{5.8 + 5.1 + 0.6 + 4.3}{4} million
≈15.84\approx \dfrac{15.8}{4} million
= 3 970 127 (closest option)

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
make1
Toyota
number1
5 838 818
make2
Volkswagon
number2
5 127 382
make3
Tesla
number3
641 730
make4
Nissan
number4
4 272 578
total
$\dfrac{15\ 880\ 508}{4}$
working1
$\approx \dfrac{5.8 + 5.1 + 0.6 + 4.3}{4}$
working2
$\approx \dfrac{15.8}{4}$
correctAnswer
3 970 127

Answers

Is Correct?Answer
x

5 126 139

✓

3 970 127

x

4 728 663

x

937 784

Variant 3

DifficultyLevel

578

Question

The table below records the 2019 car sales in Asia of 4 car markers.


Car Maker Sales in Asia
Nissan 4 272 578
Chevrolet 2 392 112
Mercedes 1 234 726
Proton 207 807

What was the average (mean) car sales for the four car makers during 2019?

Worked Solution

One strategy: calculate approximate total sales by rounding numbers in the millions before adding (eg. 3 790 282 ⇒\Rightarrow 3.8 million).
Mean Sales = Total Sales ÷\div 4
≈4.3+2.4+1.2+0.24\approx \dfrac{4.3 + 2.4 + 1.2 + 0.2}{4} million
≈8.14\approx \dfrac{8.1}{4} million
= 2 026 806 (closest option)

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
make1
Nissan
number1
4 272 578
make2
Chevrolet
number2
2 392 112
make3
Mercedes
number3
1 234 726
make4
Proton
number4
207 807
total
$\dfrac{8\ 107\ 223}{4}$
working1
$\approx \dfrac{4.3 + 2.4 + 1.2 + 0.2}{4}$
working2
$\approx \dfrac{8.1}{4}$
correctAnswer
2 026 806

Answers

Is Correct?Answer
x

1 604 276

✓

2 026 806

x

251 003

x

2 692 102

Variant 4

DifficultyLevel

578

Question

The table below records the 2019 car sales in Asia of 4 car markers.


Car Maker Sales in Asia
Honda 2 309 222
Volkswagen 5 127 382
Chevrolet 2 392 112
Kia 2 068 573

What was the average (mean) car sales for the four car makers during 2019?

Worked Solution

One strategy: calculate approximate total sales by rounding numbers in the millions before adding (eg. 3 790 282 ⇒\Rightarrow 3.8 million).
Mean Sales = Total Sales ÷\div 4
≈2.3+5.1+2.4+2.14\approx \dfrac{2.3 + 5.1 + 2.4 + 2.1}{4} million
≈11.94\approx \dfrac{11.9}{4} million
= 2 974 322 (closest option)

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
make1
Honda
number1
2 309 222
make2
Volkswagen
number2
5 127 382
make3
Chevrolet
number3
2 392 112
make4
Kia
number4
2 068 573
total
$\dfrac{11\ 897\ 289}{4}$
working1
$\approx \dfrac{2.3 + 5.1 + 2.4 + 2.1}{4}$
working2
$\approx \dfrac{11.9}{4}$
correctAnswer
2 974 322

Answers

Is Correct?Answer
✓

2 974 322

x

3 490 277

x

4 381 127

x

4 727 376

Tags

  • ch_mean