Exam 1: An Introduction to Business Statistics

Judgment sampling occurs when a person who is extremely knowledgeable about the population under consideration selects the population element(s)that they feel is(are)most representative of the population.

In systematic sampling,the first element is randomly selected from the first (N/n)elements.

A ____________ variable can have values that are numbers on the real number line.

An example of a qualitative variable is the mileage of a car.

A common practice in selecting a sample from a large geographic area is multistage cluster sampling.

A quantitative variable can also be referred to as a categorical variable.

Secondary data are data taken from an existing source.

Daily temperature in a local community collected over a 30-day time period is an example of cross-sectional data.

__________ consists of a set of concepts and techniques that are used to describe populations and samples.

The target population is the result of sampling from the original population that is of interest to the researcher.

An example of a quantitative variable is the manufacturer of a car.

Any characteristic of a population unit is a(n)

Statistical ____________ refers to using a sample of measurements and making generalizations about the important aspects of a population.

A statistical model is a set of assumptions based solely on the sample data that have been selected.

Stratification can at times be combined with multistage cluster sampling to develop an appropriate sample.