Question

Which of the following describe a set of data whose histogram approximates a normal curve?
Check all that apply.
A. The observations trail off at values far from the mean.
B. All of the data values have to be positive.
C. The histogram of the is exactly the same as the normal curve.
D. Most of the observations are near the mean of the data set.
E. The sum of the data values must be 1.

Answer 1

someone help plz...