Exhibit 1-2
In a sample of 3,200 registered voters, 1,440, or 45%, approve of the way the president is doing his job.
-Refer to Exhibit 1-2.A political pollster states, "Forty five percent of all voters approve of the president." This statement is an example of _____.
A) a sample
B) descriptive statistics
C) statistical inference
D) a population

Question

Quizplus · Accepted Answer

The statement is an example of statistical inference because it uses data from a sample to make a generalization about the entire population of voters.

Exhibit 1-2 In a Sample of 3,200 Registered Voters, 1,440, or 45