Exam 1: Defining and Collecting Data

A statistics student found a reference in the campus library that contained the official poverty rate for all Australian states and territories.She would report her data as being collected using

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 'How much time do you use the wireless home security system every week on the average?' are values from a

To manage a business effectively,collecting appropriate data is necessary.

The brand of smartphone one owns is an example of an ordinal scaled variable.

The oranges grown on commercial farms in Victoria were damaged by some unknown fungi a few years ago.Suppose the manager of a large orchard wanted to study the impact of the fruit flies on the orange crops on a daily basis over a six-week period.On each day a random sample of orange trees were 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.In this study,drawing conclusions on any one day about the true population characteristics based on information obtained from the sample is called _________.

In purchasing a motor vehicle,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.

A marketing research analyst needs to assess the effectiveness of a new social media campaign.To collect appropriate data,she has provided a questionnaire instrument that can be answered on one's computer,tablet,or smartphone.Which of the four methods of data collection is she using?

Using the number of registered voters who turned out to vote for the primary in Victoria to predict the number of registered voters who will turn out to vote in Tasmania's primary is an example of descriptive statistics.

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.Using the information obtained from the sample to predict population characteristics with respect to malpractice litigation is an example of_________.

The answer to the question 'How do you rate the quality of your business statistics course?' is an example of an ordinal scaled variable.

The Talent Retention Officer of a large corporation wishes to develop employee newly expanded 'soft' benefits package for employee retention and recruitment purposes,and decides to select 500 employees from a list of all (N = 40,000)workers in order to study their preferences for possible perks to be included in the potential package.In this study,methods that result in decisions concerning population characteristics based only on the sample results are called_________.

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 'How many wireless home security systems made by other manufacturers have you used?' are values from a

The answer to the question 'What is your sleeping bag temperature rating?' is an example of a categorical variable.

Compiling the number of registered voters who turned out to vote for the members of parliament in Victoria is an example of descriptive statistics.

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

The answer to the question 'How many minutes on average do you spend exercising per week?' is an example of a discrete variable.

The date when a new factory becomes operational will be measured with a ratio scale.

The universe or 'totality of items or things' under consideration is called

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 number of defective apples in a single box is an example of a continuous variable.