Suppose that 20 students take a statistics exam worth 100 points. The standard deviation of the exam scores is 5 points.

Which one of the following statements gives the most reasonable description of the distribution of exam scores?

Group of answer choices

All of the individual scores are five points apart.

The difference between the highest and lowest score is 5.

A typical score is within 5 points of the mean.

The difference between Q3 and Q1 is 5.