Given below are lower and upper limits of an area of the normal curve. Choose the limits that contain the smallest proportion of the normal curve.
A) -2$\sigma$to -1$\sigma$
B) -l$\sigma$ to 0
C) 2$\sigma$ to 3$\sigma$
D) above 3$\sigma$.

Question

Quizplus · Accepted Answer

The area above 3 standard deviations from the mean in a normal distribution contains the smallest proportion of the curve, as most data (99.7%) fall within 3 standard deviations of the mean.

Given Below Are Lower and Upper Limits of an Area σ\sigmaσ

Given Below Are Lower and Upper Limits of an Area $\sigma$