Exam 1: Defining and Collecting Data

________ results from the failure to collect data on all subjects in the sample.

Which of the following scenarios will yield a nonprobability sample?

A personal computer user survey was conducted.The number of computer magazine subscriptions 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 "How would you rate the quality Of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?" are Values from a

Referring to Scenario 1-2, the possible responses to the question "How would you rate the Condition of the U.S.economy with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?" Result in

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

Researchers suspect that the average number of units earned per semester by college students is Rising.A researcher at Calendula College wishes to estimate the number of units earned by Students during the spring semester at Calendula.To do so, he randomly selects 100 student Transcripts and records the number of units each student earned in the spring term.He found that The average number of semester units completed was 12.96 units per student.Identify the Population of interest to the researcher.

To estimate the mean number of hours a student at a major university spent in the library, a researcher obtained the list of students from the registrar's office, from which she can select a random sample 200 students.This list is a _______.

Whether the university is private or public is an example of a nominal scaled variable.

The number of defective apples in a single box is an example of a continuous variable.

True or False: If a simple random sample is chosen with replacement, each individual has the same chance of selection on every selection.

True or False: The answer to the question "What is your sleeping bag temperature rating?" is an example of a ratio scaled variable.

At US Data Corporation's web site, they advertised that "Because of our commitment to quality And our vast amount of industry knowledge and experience, we have grown to be one of America's leading providers of mailing lists, marketing data, sales leads and research data.We Maintain databases of information on consumers and businesses nationwide that set industry Standards for mission critical currency, reliability and accuracy." Trying to reach 500 potential Donors for their annual phone donation campaign, a local fire department purchased a list of Donors from the company.This list is an example of a

Referring to Scenario 1-2, the possible responses to the question "How many out of every 10 U.S. Voters do you think feel that the U.S.economy is in a good shape?" result in

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

True or False: 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.

A personal computer user survey was conducted.The number of years using a personal computer is an example of a _______ numerical variable.

Which of the following can be reduced by proper interviewer training?

The Dean of Students conducted a survey on campus.The gender of the student is an example of a _______ variable.

True or False: Faculty rank (professor to lecturer)is an example of discrete numerical data.