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Home › Data Interpretation › Data Interpretation - Line Graph (Averages)

Data Interpretation - Line Graph (Averages) — Data Interpretation Questions & Practice

Practise 681 Data Interpretation - Line Graph (Averages) questions from Data Interpretation for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Data Interpretation - Line Graph (Averages) — with answers

Try each question first, then open the answer. Explanations are included.

1. The following line graph shows the number of active users of an app (in lakh) over the years: 2015: 39 2016: 34 2017: 29 2018: 28 2019: 30 2020: 29 2021: 27 What is the average number of active users of an app over the given years?

  1. A26.6
  2. B33.86
  3. C30.86
  4. D28.09
Show answer

Answer: C

Average = (39 + 34 + 29 + 28 + 30 + 29 + 27) / 7 = 216 / 7 = 30.86 lakh.

2. The following line graph shows the monthly production of a factory (in thousand units) over the years: 2015: 311 2016: 272 2017: 262 2018: 312 2019: 364 2020: 315 What is the average monthly production of a factory over the given years?

  1. A307
  2. B311
  3. C333.85
  4. D306
Show answer

Answer: D

Average = (311 + 272 + 262 + 312 + 364 + 315) / 6 = 1836 / 6 = 306 thousand units.

3. The following line graph shows the number of active users of an app (in lakh) over the years: 2016: 175 2017: 195 2018: 225 2019: 274 2020: 246 2021: 258 What is the average number of active users of an app over the given years?

  1. A226.83
  2. B228.83
  3. C231.83
  4. D261.82
Show answer

Answer: B

Average = (175 + 195 + 225 + 274 + 246 + 258) / 6 = 1373 / 6 = 228.83 lakh.

4. The following line graph shows the monthly production of a factory (in thousand units) over the years: 2015: 407 2016: 377 2017: 456 2018: 417 2019: 453 What is the average monthly production of a factory over the given years?

  1. A422
  2. B423
  3. C414.56
  4. D425
Show answer

Answer: A

Average = (407 + 377 + 456 + 417 + 453) / 5 = 2110 / 5 = 422 thousand units.

5. The following line graph shows the population of a city (in thousand) over the years: 2016: 1271 2017: 1582 2018: 1506 2019: 1596 2020: 1411 What is the average population of a city over the given years?

  1. A1463.2
  2. B1473.2
  3. C1315.94
  4. D1629.2
Show answer

Answer: B

Average = (1271 + 1582 + 1506 + 1596 + 1411) / 5 = 7366 / 5 = 1473.2 thousand.

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