Statistics
What level of data is represented by the fire risk (Low, Moderate, High or Severe) today in Arapahoe National Forest?
Ordinal
Which of the following is the best definition of a statistical population?
The entire set of individuals, objects or measurements of interest.
Which of the following variables is recorded at the interval level of measurement?
A man's shoe size.
Which of the following are discrete variables? Choose all that apply.
The number of customers using an ATM on a given day. The number of cars for sale on a used car lot.
Which one of the following is a population in the statistical sense?
All of the automobiles sold in Canada in 2016.
Which of the following represents data recorded at the nominal level?
Brand of newly purchased TV.
Which best describes the purpose of business analytics?
Business analytics is used to process and analyze data and information to support a story or narrative of a company's business.
Which of the following are attributes of a discrete quantitative variable? Choose all that apply.
It can be used to count items. It can assume only certain values within a range. There are gaps between the values of this variable.
Which of the following variables is recorded at the ratio level of measurement?
Salaries of business school graduates.
Which three of the following are samples in the statistical sense?
Six randomly chosen books from the library. Ten apples selected from a grocery store bin containing 100 apples. Every eighth person on the class roster.
Which of the following best describes interval-level data?
The distance between values is a known unit of measure.
Identify all of the following items which are qualitative variables.
The species of trees in a park. A person's favorite food type. The colors in a package of M&M's.
The two categories of statistical study are:
descriptive statistics and inferential statistics
Identify all of the following items which are quantitative variables.
The weight of a Siamese cat. The miles per gallon for a particular model of car.