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Question : The following table shows the income (in Rs.) of five different persons ( A, B, C, D, E ) over given 4 years.

Years 2015 2016 2017 2018
A 12000 12500 13000 13500
B 10000 11000 12000 13000
C 5000 6000 7000 8000
D 20000 25000 30000 35000
E 15000 16000 17000 18000

 

Find the average income of the five persons in the year 2015.

Option 1: Rs. 12,600

Option 2: Rs. 12,400

Option 3: Rs. 12,700

Option 4: Rs. 12,500


Team Careers360 2nd Jan, 2024
Answer (1)
Team Careers360 18th Jan, 2024

Correct Answer: Rs. 12,400


Solution : Average = $\frac{\text{Sum of all the observations}}{{\text{Total number of observations}}}$
So, the average income in 2015 is:
$ = \frac{12000 + 10000 + 5000 + 20000 + 15000}{5} = \frac{62000}{5} = 12,400$
Hence, the correct answer is Rs. 12,400.

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