Author Question: What do you need to check for first, before using the Empirical Rule to describe a population? a. ... (Read 51 times)

panfilo · **on:** Jul 24, 2018

What do you need to check for first, before using the Empirical Rule to describe a population?
a. You need to check whether or not the population is large.
b. You need to check whether or not the population is Empirical.
c. You need to check whether or not the population follows a bell-shaped curve.
d. None of the above. The Empirical Rule works for any population.

Question 2

Suppose the mean height for adult males in the U.S. is about 70 inches and the standard deviation is about 3 inches. Assume men's heights follow a normal curve. Using the Empirical Rule, 68 of adult males should fall into what height range?
a. Between 67 and 73 inches tall.
b. At or below 68 inches tall.
c. Between 70 and 73 inches tall.
d. None of the above.