The average of the first four prime numbers that are odd is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 6.5.
The first four odd prime numbers = 3, 5, 7, and 11
Average = Sum of observations/Number of observations
Average = (11 + 3 + 5 + 7)/4 = 26/4 = 6.5