Exam 1: Defining and Collecting Data

To find out the potential impact of a new zoning law on a neighborhood, the legislators conduct a focus group interview by inviting the members of the housing owner's association of that neighborhood.This is an example of a

A telemarketer set the company's computerized dialing system to contact every 25th person listed in the local telephone directory.What sampling method was used?

Which of the following sampling methods will more likely be susceptible to ethical violation?

SCENARIO 1-1 The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. -Referring to Scenario 1-1, the possible responses to the question "Are you happy, indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?" are values from a

The Human Resources Director of a large corporation wishes to develop an employee benefits package and decides to select 500 employees from a list of all (N = 40,000) workers in order to study their preferences for the various components of a potential package.The Director will use the data from the sample to compute _______.

The level of satisfaction ("Very unsatisfied", "Fairly unsatisfied", "Fairly satisfied", and "Very satisfied")in a class is an example of a categorical variable.

The grade level (K-12)of a student is an example of a nominal scaled variable.

SCENARIO 1-2 A Wall Street Journal poll asked 2,150 adults in the U.S.a series of questions to find out their view on the U.S.economy. -Referring to Scenario 1-2, the possible responses to the question "Are you 1.Currently employed, 2.Unemployed but actively looking for job, 3.Unemployed and quit looking for job?" are values from a

There can be only one sample selected from a population.

Which of the following scenarios will yield a nonprobability sample?

The amount of coffee consumed by an individual in a day is an example of a discrete numerical variable.

The Dean of Students conducted a survey on campus.Number of clubs, groups, teams, and organizations affiliated with on campus is an example of a _______ numerical variable.

Whether the university is private, or public is an example of a categorical variable.

SCENARIO 1-1 The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. -Referring to Scenario 1-1, the possible responses to the question "What brand of Blu-ray player did you purchase?" result in

Selection bias occurs more frequently in systematic samples than in simple random samples.

Which of the following is most likely a parameter as opposed to a statistic?

SCENARIO 1-3 The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. -Referring to Scenario 1-3, which of the following questions in the survey will NOT likely induce a measurement error?

Measurement error can become an ethical issue when a survey sponsor chooses leading questions that guide the responses in a direction.

SCENARIO 1-2 A Wall Street Journal poll asked 2,150 adults in the U.S.a series of questions to find out their view on the U.S.economy. -Referring to Scenario 1-2, the possible responses to the question "How satisfied are you with the U.S.economy today with 1 = very satisfied, 2 = moderately satisfied, 3 = neutral, 4 = moderately dissatisfied and 5 = very dissatisfied?" result in

The sampling process begins by locating appropriate data sources called ___________.