Question

Each presidential election, many different groups want to know how popular each candidate is among the electorate. In the recent election, one marketing research firm was asked by a special interest group to help estimate the proportion of Americans who supported a particular candidate. From a list of all registered voters, 8000 names were randomly selected. An automated phone-call was made to each of the 8000 individuals selected asking them to answer a few questions indicating their voting preferences. The marketing firm received 2969 responses. The population for this study was:

A) All registered voters in the US.
B) The 2969 people who answered the survey questions.
C) The 8000 people who received a phone call.

Answer 1

The population for this study was the 8000 people who received a phone call.

Step-by-step explanation:

The population for this study was option C) The 8000 people who received a phone call. The marketing research firm selected a random sample of 8000 individuals from the list of all registered voters, and these 8000 people were the population that the firm wanted to estimate the proportion of Americans who supported a particular candidate. The 2969 responses they received from these 8000 people were used to make the estimate.