For an ideal normal distribution, the median would be equivalent to which of the following measures? Choose the most appropriate answer from the options given below.

1.Second quartile

2.Mean

3.50th percentile

4.Mode

5.5th percentile

A1, 2 and 3 only

B1, 2 and 4 only

C1, 2, 3 and 4 only ✓ Correct

D1, 2, 3, 4 and 5

Correct answer: (C) 1, 2, 3 and 4 only

Explanation

In a perfect normal distribution the median equals the second quartile, the mean, the fiftieth percentile and the mode.

The second quartile is by definition the middle value, identical to the median.

The mean and mode coincide with the median because the curve is perfectly symmetric.

The fiftieth percentile marks the same central point as the median.

The fifth percentile lies far in the lower tail and never equals the median.

This equality of mean, median and mode is a defining sign of normality.

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