A) 24 |
B) 25 |
C) 26 |
D) None of the above |
D) None of the above |
Mean = \( \Large \frac{Sum \ of \ observation}{Number \ of \ observation} \)
Sum of observation is given as = 70
Number of observation = 20
Therefore, Mean = \( \Large \frac{70}{20} = 3.5 \)
But, here observation starts from 23.
Therefore, Mean = 23 + 3.5 = 26.5