Exam 1: Defining and Collecting Data

A sample is the portion of the universe that is selected for analysis.

The question "How many times have you abused illicit drugs in the last 6 months?" will most likely result in nonresponse error.

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

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 proportion of malpractice claims filed from the sample of 31 thousand patients is a .

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 is your annual income rounded to the nearest thousands?" are values from a

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?" result in

The Dean of Students conducted a survey on campus.Class designation (Freshman,Sophomore,Junior,Senior)is an example of a variable.

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

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

A statistic is usually unobservable while a parameter is usually observable.

The quality ("terrible","poor","fair","acceptable","very good" and "excellent")of a day care center is an example of a nominal scaled variable.

A company selling apparel online sends out emails every Monday to all its customers who made a purchase.This is an example of a

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.

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

The Dean of Students conducted a survey on campus.Grade point average (GPA)is an example of a numerical 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 "What do you think is the current unemployment rate?" result in

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

Most colleges admit students based on their achievements in several different areas.The grade obtained in senior level English.(A,B,C,D,or F)is an example of a variable.

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

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?