Exam 1: Defining and Collecting Data

When dealing with human surveys, we are usually interested in sampling with replacement.

Which of the following sampling methods will more likely be susceptible to ethical violation when used to form conclusions about the entire population?

A statistic is usually used to provide an estimate for a usually unobserved parameter.

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 "How would you rate the quality of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?" are Values from a

The classification of student class designation (freshman, sophomore, junior, senior) is an example of

Which of the following yields a simple random sample?

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

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 500 employees who will participate in this study constitute the _______.

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 many more months do you think the U.S. economy will require to get out of a recession?" are values from a

Which of the following is a discrete quantitative (numerical) variable?

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

The number of defective apples in a single box is an example of a continuous variable.

The brand of TV one owns is an example of a numerical variable.

If a simple random sample is chosen with replacement, each individual has the same chance of selection on every selection.

The Dean of Students conducted a survey on campus. Grade point average (GPA) is an example of a _______ numerical variable.

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 _______.

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

Measurement error can become an ethical issue when an interviewer purposely guides the responses in a particular direction.

The amount of alcohol consumed by a person per week is an example of a continuous variable.

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