Author Question: Sampling errors can _____. a. be avoided by increasing the sample size to at least 30 b. be ... (Read 143 times)

tth · **on:** Jun 24, 2018

Sampling errors can _____.
a. be avoided by increasing the sample size to at least 30
b. be avoided if the sample is increased so that it will be at least 5 of the population
c. be avoided by using probabilistic sampling
d. not be avoided

Question 2

The Empirical Rule states that the percentage of observations in a data set (providing that the data set is bell shaped) that fall within one standard deviation of their mean is approximately 75.
Indicate whether the statement is true or false