What is the difference between the average production of Model A in 2019, 2021 and 2022 and the average production of Model B in 2020, 2021 and 2022?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 50,000 cars.
Average = Sum of observations/Number of observations
Total production of Model A in 2019, 2021, and 2022 = 5 + 5.5 + 4.5 = 15
Average = 15/3 = 5
Total production of Model B in 2020, 2021, and 2022 = 6 + 5 + 5.5 = 16.5
Average = 16.5/3 = 5.5
Required difference = 5.5 - 5 = 0.5 × 100000 = 50000
