Exam 1: Defining and Collecting Data

The amount of time a student spent studying for an exam is an example of a continuous variable.

The number of calories contained in a 12-ounce package of cheese is an example of a discrete variable.

Which of the following is a discrete quantitative (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 "How many Blu-ray players made by other manufacturers have you used? "results in

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 "In which year do you think the last recession in the U.S.started?" result in

Faculty rank (professor to lecturer) is an example of discrete numerical data.

Marital status is an example of a numerical variable.

The amount of alcohol consumed by a person per week will be measured on an interval scale.

A study is under way in Yosemite National Forest to determine the adult height of American pine trees.Specifically, the study is attempting to determine what factors aid a tree in reaching heights greater than 60 feet tall.It is estimated that the forest contains 25,000 adult American pines.The study involves collecting heights from 250 randomly selected adult American pine trees and analyzing the results.Identify the population from which the study was sampled.

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

A personal computer user survey was conducted.Primary word processing package used is an example of a variable

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 .

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 many people are there in your household?" result in

An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance.A person's age 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.Information obtained from the sample will be used to draw conclusions about the true population .

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?" are values from a

Most colleges admit students based on their achievements in several different areas.Whether a student has taken any advanced placement courses is an example of a variable.

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

Which of the 4 methods of data collection is involved when a person counts the number of cars passing designated locations on the Los Angeles freeway system?