Exam 1: Introduction

The classification of student class designation (freshman, sophomore, junior, senior) is an example of

A sample is the portion of the universe that is selected for analysis.

TABLE 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 DVD player made by the company over the past 12 months are satisfied with their products. -Referring to Table 1-1, the possible responses to the question "What brand of DVD player did you purchase?" result in

The classification of student major (accounting, economics, management, marketing, other) is an example of

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 ________.

TABLE 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 DVD player made by the company over the past 12 months are satisfied with their products. -Referring to Table 1-1, the possible responses to the question "Are you happy, indifferent, or unhappy with the performance per dollar spent on the DVD player?" 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

The brand of TV one owns is an example of a numerical variable.

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

TABLE 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 DVD player made by the company over the past 12 months are satisfied with their products. -Referring to Table 1-1, the possible responses to the question "How many people are there in your household?" are values from a

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

TABLE 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 Table 1-2, the possible responses to the question "In which year do you think the last recession in the U.S. started?" result in

The chancellor of a major university was concerned about alcohol abuse on her campus and wanted to find out the proportion of students at her university who visited campus bars on the weekend before the final exam week. Her assistant took a random sample of 250 students. The answer on "whether you visited campus bars on the weekend before the final exam week" from students in the sample is an example of ________.

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

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

The quality ("terrible," "poor," "fair," "acceptable," "very good" and "excellent") of a day care center is an example of a nominal scaled variable.

TABLE 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 Table 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?" are values from a

TABLE 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 DVD player made by the company over the past 12 months are satisfied with their products. -Referring to Table 1-1, the population of interest is

A professor computed the sample average exam score of 20 students and used it to estimate the average exam score of the 1,500 students taking the exam, which is an example of inferential statistics.

In purchasing an automobile, there are a number of variables to consider. The classification of the car as a subcompact, compact, standard, or luxury size is an example of a ________ variable.