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The table shows the number of units produced of an item by 3 companies in various years. In which of the given years, was the average production by the companies same? Year Company A Company B Company C 2014 440 400 360 2015 400 520 300 2016 450 430 520 2017 420 330 450 2018 500 580 500

The table shows the number of units produced of an item by 3 companies in various years. In which of the given years, was the average production by the companies same? Year Company A Company B Company C 2014 440 400 360 2015 400 520 300 2016 450 430 520 2017 420 330 450 2018 500 580 500 Correct Answer 2014 and 2017

Given

Number of units produced of an item by 3 companies in various years

Year

Company A

Company B

Company C

2014

440

400

360

2015

400

520

300

2016

450

430

520

2017

420

330

450

2018

500

580

500

Calculation

The Average of each year for all 3 companies

⇒ Average of year 2014 = (440 + 400 + 360)/3 = 1200/3 = 400

⇒ Average of year 2015 = (400 + 520 + 300)/3 = 1220/3 = 407

⇒ Average of year 2016 = (450 + 430 + 520)/3 = 1403/3 = 467

⇒ Average of year 2017 = (420 + 330 + 450)/3 = 1200/3 = 400

⇒ Average of year 2018 = (500 + 580 + 500)/3 = 1580/3 = 527

From above data 

∴ The average production was same in which year by the companies is2014 and 2017 Year

  

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