Exam 1: Defining and Collecting Data

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

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 would you rate the condition of the U.S.economy with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?" result in

The quality ("terrible", "poor", "fair", "acceptable", "very good" and "excellent") of a day care center is an example of a nominal scaled 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 "Are you happy, indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?" result in

An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance.How long a person has been a licensed driver is an example of a numerical variable.