Exam 1: Defining and Collecting Data

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

When participants can self-select into the sample, you have a nonprobability sample.

The possible responses to the question "How long have you been living at your current residence?" are values from a continuous variable.

The Dean of Students conducted a survey on campus.Major area of study is an example of avariable.

The possible responses to the question "How many times in the past three months have you visited a city park?" are values from a discrete variable.

Jared was working on a project to look at global warming and accessed an Internet site where he captured average global surface temperatures from 1866.Which of the four methods of data collection was he using?

Which of the following scenarios will yield a nonprobability sample?

The sampling process begins by locating appropriate data sources called .

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 to study their preferences for the various components of a potential package.The 500 employees who will participate in this study constitute the .

Coverage error results in 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 to study their preferences for the various components of a potential package.All the employees in the corporation constitute the .

Marital status is an example of an ordinal scaled variable.

The number of calories contained in a 12-ounce package of cheese will be measured on a ratio scale.

In purchasing an automobile, there are several variables to consider.The color of the car is an example of a variable.

The British Airways Internet site provides a questionnaire instrument that can be answered electronically.Which of the 4 methods of data collection is involved when people complete the questionnaire?

Student grades (A to F) are an example of continuous numerical data.

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 people in your household are unemployed currently?" result in

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 "Out of a 100-point score with100 being the highest and 0 being the lowest, what is your satisfaction level with the Blu-ray player that you purchased results in:

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?" result in

The question: "How much did you earn last year rounded to the nearest hundreds of dollars?" will most likely result in measurement error.