Which one of the following statements does not apply to normal probability curve ?

1. AIt is bilaterally symmetrical
2. BItis bell shaped
3. CIt's skewness is zero
4. DIt's kurtosis is zero

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. It's kurtosis is zero

Explanation

The normal curve is symmetric, bell-shaped and has zero skewness; its kurtosis is 3 (mesokurtic), not zero (only excess kurtosis is 0).