Exam 1: Defining and Collecting Data

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.

Which of the following yields a cluster sample?

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 brand of TV one owns is an example of an ordinal scaled 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 "On the scale of 1 to 100 with 1 being extremely anxious and 100 being total not anxious, rate your level of anxiety in this U.S. Economy" are values from a

The Dean of Students conducted a survey on campus. SAT score in mathematics is an example of a _______ numerical variable.

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

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

A personal computer user survey was conducted. Primary word processing package used 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?" result in

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.

Sampling error can be completely eliminated by taking larger sample sizes.

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

The number of defective apples in a single box will be measured on an interval scale.

The amount of coffee consumed by an individual in a day is an example of a discrete numerical variable.

Marital status is an example of an ordinal scaled variable.

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

SCENARIO 1-3 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 1-3, which of the following questions in the survey will NOT likely induce a measurement error?

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?" result in

A statistics student found a reference in the campus library that contained the median family incomes for all 50 states. She would report her data as being collected using