Exam 1: Defining and Collecting Data

Whether a university student is a full-fee student or a HECS student is an example of a categorical variable.

A marketing research firm,in conducting a comparative taste test,provided five types of hummus to a sample of households randomly selected within a city.Which of the four methods of data collection is involved when people are asked to compare the five types of hummus?

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.The computer brand primarily used is an example of a _________ variable.

The rankings of teams in a rugby tournament is an example of

The Vice 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 the campus bar on the weekend before the final exam period.Her advisor took a random sample of 250 students. - The answer on 'are you likely to visit the campus bar on the weekend before the final exam period' is an example of

Instruction 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 wireless home security system made by the company over the past 12 months are satisfied with their products. -Referring to Instruction 1.1,the possible responses to the question 'What is your annual income rounded to the nearest thousand?' are values from a

The average salary of a University lecturer in Australian dollars is an example of

In data collection,the most common technique to ensure proper representation of the population is to use a random sample.

Which of the following is most likely a population as opposed to a sample?

A personal computer user survey was conducted.The number of personal computers owned is an example of a _________numerical variable.

The quality ('terrible','poor','fair','acceptable','very good' and 'excellent')of a day care centre is an example of a numerical variable.

The process of using sample statistics to draw conclusions about true population parameters is called

The Dean of Students conducted a survey on campus.The number of units currently enrolled for is an example of a _________ numerical variable.

Marital status is an example of an ordinal scaled variable.

The Department of Health in Western Australia wanted to study malpractice litigation in Western Australia.A sample of 31,000 medical records was drawn from a population of 850,000 patients who were discharged during the year 2011.The proportion of malpractice claims filed from the sample of 31,000 patients is a_________.

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

The sports shoes for adults sold in Australia are often marked with sizes based on the US or UK system.In this case,shoe size is an example of

A telecommunications provider conducted a survey on mobile phone usage in Australia.The number of years using a mobile phone is an example of a _________numerical variable.

The Dean of Students conducted a survey on campus.Class designation (first year,second year,third year,honours)is an example of a _________variable.