Exam 1: Defining and Collecting Data

________ results from the exclusion of certain groups of subjects from a population frame.

EXPLANATION: The rating is ordinal scale not an interval scale because the difference in rating between "excellent" and "good" does not have to be the same as the difference between "poor" and "terrible". KEYWORDS: ordinal scale, types of data -Referring to Scenario 1-1, the possible responses to the question "What brand of Blu-ray player Did you purchase?" result in

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

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

Referring to Scenario 1-2, the possible responses to the question "What do you think is the Current unemployment rate?" result in

The universe or "totality of items or things" under consideration is called

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 owners association of that Neighborhood.This is an example of a

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?" are values from a

True or False: The question: "Have you used any form of illicit drugs over the past 2 months?" will most likely result in measurement error if the question is answered.

EXPLANATION: The rating is ordinal scale not an interval scale because the difference in rating between "excellent" and "good" does not have to be the same as the difference between "poor" and "terrible". KEYWORDS: ordinal scale, types of data -Referring to Scenario 1-1, the possible responses to the question "Out of a 100 point score with 100 being the highest and 0 being the lowest, what is your satisfaction level with the Blu-ray Player that you purchased?" result in

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

EXPLANATION: The rating is interval scale not ordinal scale because the difference in rating between "80" and "90" can be treated as the same as the difference between "30" and "40" but a rating of "80" does not imply twice the level of satisfaction level as a rating of "40". KEYWORDS: interval scale, types of data 1-8 Defining and Collecting Data -Referring to Scenario 1-1, the possible responses to the question "What is your age at last Birthday?" result in

A population frame for a survey contains a listing of 6,179 names.Using a table of random Numbers, which of the following code numbers will appear on your list?

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.Which of the following Will be a good frame for drawing a sample?

The Commissioner of Health in New York State wanted to study malpractice litigation in New York.A sample of 31 thousand medical records was drawn from a population of 2.7 million patients who were discharged during 2010.The true proportion of malpractice claims filed from the population of 2.7 million patients is a _______.

A personal computer user survey was conducted.Hours of personal computer use per week is an example of a _______ numerical variable

In purchasing an automobile, there are a number of variables to consider.The classification of the car as a subcompact, compact, standard, or luxury size is an example of a _______ variable.

Which of the following is NOT a reason for the need for sampling?

An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance.The number of claims a person has made in the last 3 years is an example of a _______ numerical 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 "Out of a 100 point score with 100 being the highest and 0 being the lowest, what is your satisfaction level on the videocassette Recorder that you purchased?" are values from a