Exam 1: Defining and Collecting Data

The portion of the universe that has been selected for analysis is 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 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 _______.

An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance.The distance a person drives in a year is an example of a _______ 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 "How many people in your Household are unemployed currently?" 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 "What is your annual income Rounded to the nearest thousands?" 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 "How many Blu-ray player s Made by other manufacturers have you used?" result in

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

A study attempted to estimate the proportion of Florida residents who were willing to spend More tax dollars on protecting the beaches from environmental disasters.Twenty-five hundred Florida residents were surveyed.What type of data collection procedure was most likely used to Collect the data for this study?

Which of the following yields a simple random sample?

True or False: To gather opinions on the efficacy of U.S.foreign policies, a sample of 50 faculty members is selected from the pool of university professors who have taught political science at the graduate level.This is an example of a judgment sample.

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

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?" are values from a

Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals, such as textbook costs, are rarely considered.A researcher at Drummand University wishes to estimate the textbook costs of first-year students at Drummand.To do so, She monitored the textbook cost of 250 first-year students and found that their average textbook Cost was $600 per semester.Identify the sample in the study.

True or False: Student grades (A to F)are an example of continuous numerical data.

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

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 1-6 Defining and Collecting 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 more months do You think the U.S.economy will require to get out of a recession?" are values from a

To monitor campus security, the campus police office is taking a survey of the number of Students in a parking lot each 30 minutes of a 24-hour period with the goal of determining when Patrols of the lot would serve the most students.If X is the number of students in the lot each Period of time, then X is an example of

A summary measure that is computed to describe a characteristic from only a sample of the Population is called