A statistician collects the following height data in inches for a school district. The statistician says that it is a normal distribution. How did they draw this conclusion?

Question

a. When graphed, the data creates a bell curve.
b. When graphed, the data creates a straight line.
c. The frequencies for each height range are different
d. The frequencies for the first and last height range are the same.

Answer 1

a. When graphed, the data creates a bell curve.