A company wants to know the opinion of a rural community on a proposed ballot initiative. Half of the community does not have internet access, so the company sends emails to the 380 members that do have internet access. Of those surveyed, 372 of the community members responded to the survey. Which of the following is the most significant source of bias in the survey?

A radio station is discussing a controversial policy enacted by the local police department. They poll listeners by having them call in to the radio station. Which of the following is the most significant source of bias?

Which of the following surveying methods divides individuals by a shared attribute, then randomly surveys members within each attribute-group?

Which of the following surveying methods involves randomly selecting groups of individuals, then surveys all individuals in the group?

You are surveying members of a grocery store about their food preferences. You decide that you will survey every 4th person entering the store. What type of a survey is this?

You are surveying from a group of 35 people using a simple random sample. You assign each member of the group a number, then select 3 of them using the random digits: 61424 20419 86546 00517.

Which number is selected second?

A sportswriter wants to know how strongly Lafayette residents support the local minor league

baseball team, the Lafayette Leopards. She stands outside the stadium before a game and interviews the first

20 people who enter the stadium. The intended population for this survey is:

If we collected many different sample groups from the same population, we would expect each sample to give slightly different estimates for the population parameter due to the natural differences between the samples. This is known as:

A civil engineer wants to know the opinions of drivers about online driving tests. She obtains a list of 730 drivers who have recently completed an online driving course and e-mails a questionnaire to a randomly selected group of 200 of these drivers. Only 102 of the questionnaires are returned. Identify the population and the sample in this study