Question

In 2017 the Pew Research Center polled 3930 adults in the United States and found that​ 43% reported playing video games often on some kind of electronic device.

a. Identify the population and the sample.

b. What is the parameter of​ interest? What is the​ statistic?

Answer 1

Solution:

Given: In 2017 the Pew Research Center polled 3930 adults in the United States and found that​ 43% reported playing video games often on some kind of electronic device.

Part a-1) Identify the population

Population: All adults in the United States

Part a-2) Identify the sample.

Sample : 3930 adults in the United States polled for study.

Part b-1) What is the parameter of​ interest?

The parameter of​ interest is: Population proportion of adults in the United States who are playing video games often on some kind of electronic device.

Part b-2) What is the​ statistic?

The​ statistic is a sample proportion of adults in the United States who are playing video games often on some kind of electronic device.

It is given by: