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The nominal level of data describes what type of information?
Observations of a qualitative variable that can only be classified and counted.
Which of the following are properties of ratio-level data? Choose all that apply.
It has all the properties of interval-level data. The ratio between two measures is meaningful. The zero point of the data is meaningful.
Which is the best definition of a quantitative variable?
A variable that can be reported numerically
Which of the following is not part of the science of statistics?
Choosing data that supports your conclusion.
Which of the following are example of inferential statistics? Select all that apply.
Counting the blue candies in a package of M&M's as a way to estimate the proportion of blue candies in all packages. Estimating the average weight in a box of apples by measuring the weight of five apples.
What is descriptive statistics?
Methods of organizing, summarizing, and presenting data in an informative way.
Which of the following is classified as ordinal-level data?
Someone's ranking of their three favorite foods.
Which one of the following are properties of ordinal-level data?
The data can be ranked or counted.
Which of the following best describes interval-level data?
The distance between values is a known unit of measure.
Which of the following represent statistical information? Select all that apply.
The median income in Wasau County is $40,578 per year. On average there are 12.5 chocolate chips in a Chips Hello cookie. Lucky's Market sells a maximum of 240 kilograms of apples per month.
Identify all of the following items which are quantitative variables.
The miles per gallon for a particular model of car. The weight of a Siamese cat.
Which of the following are discrete variables? Choose all that apply.
The number of cars for sale on a used car lot. The number of customers using an ATM on a given day.
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.
Which of the following variables is recorded at the ratio level of measurement?
Salaries of business school graduates.
Which of the following are attributes of a discrete quantitative variable? Choose all that apply.
There are gaps between the values of this variable. It can be used to count items, in which case it can only have integer values. It can assume only certain values within a range.
Which of the following examples are statistics? Select all that apply.
The number of home runs in last year's World Series The median price of a house in Detroit. Yesterday's share price for Proctor and Gamble stocks.
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 are attributes of a discrete quantitative variable? Choose all that apply.
There are gaps between the values of this variable. It can assume only certain values within a range. It can be used to count items, in which case it can only have integer values.
Identify all of the following items which are qualitative variables.
A person's favorite food type. The species of trees in a park. The colors in a package of M&M's.