Basic Sample Statistics and Parameters

First, we'll discuss the basic concepts of sample statistics and population parameters. Then, we'll talk about the degree of freedom, which is the number of independent pieces of information that a point estimate is based on. Finally, we will talk about variance, which depends on the degrees of freedom.

Introduction to Estimation


Question 1 out of 2.

You estimate population ___________ from sample ___________.

parameters; statistics

statistics; parameters

Question 2 out of 2.

Select all that apply. Of the people sampled in a state, 0.63 support Senator A. This value of 0.63 is a:


point estimate

interval estimate

confidence interval