Exam 1: Introduction

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

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

Most colleges admit students based on their achievements in a number of different areas.Whether a student has taken any advanced placement courses is an example of a ________ 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 many more months do you think the U.S.economy will require to get out of a recession?" are values from a

The answer to the question "How many hours on average do you spend watching TV every week?" is an example of a ratio 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

The amount of time a student spent studying for an exam will be measured on a ratio scale.

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

Student grades (A to F)are an example of continuous numerical data.

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 "Out of a 100 point score with 100 being the highest and 0 being the lowest,what is your satisfaction level with the DVD player that you purchased?" result in

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)are called ________.

Faculty rank (professor to lecturer)is an example of discrete numerical data.

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

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.True population characteristics estimated from the sample results each week are called ________.

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 much time do you use the DVD player every week on the average?" 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 and computed the portion of students in the sample who visited campus bars on the weekend before the final exam.The portion of all students at her university who visited campus bars on the weekend before the final exam week is an example of

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.

The amount of coffee consumed by an individual in a day is an example of a discrete 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 many DVD players made by other manufacturers have you used?" are values from a

A personal computer user survey was conducted.Hours of personal computer use per week is an example of a ________ numerical variable