Question

1. What are the characteristics of the normal curve? What human      behavior, trait, or characteristic can you think of that is      distributed normally? What makes you think it is distributed      normally? (10 points)

Answer 1

Solution:

Characteristics of normal distribution:

Normal distribution are symmetric, unimodal and asymptotic.

The mean , median and mode are equal.

The shape of curve is bell shaped.

X $\sim$ N ( $\mu , \sigma^{^{2}}$ )

human behavior, trait, or characteristic can you think of that is

Height and weight