Author Question: Which of the following is(are) the most common type(s) of surveys? a. only mail surveys b. only ... (Read 181 times)

karen · **on:** Jun 24, 2018

Which of the following is(are) the most common type(s) of surveys?
a. only mail surveys
b. only telephone surveys
c. only personal interviews
d. All of the answers are correct.

Question 2

While Chebysheff's Theorem applies to any distribution, regardless of shape, the Empirical Rule applies only to distributions that are bell shaped.
Indicate whether the statement is true or false