Exam 1: Introduction

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

A summary measure that is computed to describe a characteristic of an entire population is called

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 many people in your household are unemployed currently?" result in

Marital status is an example of a numerical 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 would you rate the quality of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?" are values from a

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

A population is the totality of items or things under consideration.

A personal computer user survey was conducted. The number of computer magazine subscriptions is an example of a ________ numerical variable.

The Quality Assurance Department of a large urban hospital is attempting to monitor and evaluate patient satisfaction with hospital services. Prior to discharge, a random sample of patients is asked to fill out a questionnaire to rate such services as medical care, nursing, therapy, laboratory, food, and cleaning. The Quality Assurance Department prepares weekly reports that are presented at the Board of Directors meetings and extraordinary/atypical ratings are easy to flag. Values computed from the sample results each week are 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. All the employees in the corporation constitute the ________.

The oranges grown in corporate farms in an agricultural state were damaged by some unknown fungi a few years ago. Suppose the manager of a large farm wanted to study the impact of the fungi on the orange crops on a daily basis over a 6-week period. On each day a random sample of orange trees was selected from within a random sample of acres. The daily average number of damaged oranges per tree and the proportion of trees having damaged oranges were calculated. The two main measures calculated each day (i.e., average number of damaged oranges per tree and proportion of trees having damaged oranges) may be used on a daily basis to estimate the respective true population ________.

A personal computer user survey was conducted. Primary word processing package used is an example of a ________ variable

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

A personal computer user survey was conducted. Number of personal computers owned is an example of a ________ numerical variable.

Which of the following is not an element of descriptive statistical problems?

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 DVD players made by other manufacturers have you used?" are values from a

Most colleges admit students based on their achievements in a number of different areas. The total SAT score achieved by a student is an example of a ________ numerical variable.

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.

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 is your annual income rounded to the nearest thousands?" result in

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