What is the average of the first 14 positive even numbers?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 15.
We know that,
Average = Sum of observations/number of observations
Now,
First 14 positive even numbers = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26,2 28
Sum of the first 14 positive even numbers = 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24 + 26 + 28 = 210
Required average = 210/14 = 15