Exam 1: Introduction and Data Collection

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 collection,presentation,and characterisation of the data from patient medical records are examples of ________.

The grade level (1-12)of a student is an example of a nominal scaled variable.

The Dean of Students conducted a survey on campus.Major area of study is an example of a ________ variable.

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

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

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

A personal computer user survey was conducted.The computer brand primarily used is an example of a ________ variable.

The grade level (1-12)of a student is an example of a numerical variable.

A study is under way in the Otway National Park to determine the mature height of Mountain Ash gum trees.Specifically,the study is attempting to determine what factors aid a tree in reaching heights greater than 60 metres tall.It is estimated that the park contains 25,000 mature Mountain Ash gum trees.The study involves collecting heights from 250 randomly selected mature Mountain Ash gum trees and analysing the results.Identify the sample in the study.

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 DVD recorder 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 answer to the question "What is your sleeping bag temperature rating?" is an example of a categorical variable.