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 the sample data 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