Discussion
The values of mean, median and mode are same in the case of :
Answer: A
In a normal distribution, which is symmetrical and bell-shaped with a single peak, the mean, median and mode coincide at the centre. In a skewed distribution they separate, with the mean pulled toward the longer tail, and a binomial distribution is symmetrical only when p = q = 0.5, so it does not always have the three equal. 'Abnormal distribution' is not a standard term. The symmetry of the normal curve is what places the middle value, the most frequent value and the average at the same point. The answer is the normal distribution.
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