Unit 9 Flashcard

Front

How many scores are listed in this Stem and Leaf Plot?

Back

18

Front

Which of the variables below would be an example of a categorical variable? (Options: Number of Languages Spoken, Wrist Circumference, Height, Handedness)

Back

Handedness

Front

Dotplots, Stemplots, Boxplots, Histograms all display what kind of data? (Options: Categorical, Quantitative)

Back

Quantitative

Front

What is the distance between the greatest number and the least number in a set of data called? (Options: Mean, Median, Range, Mode)

Back

Range

Front

What is a Stem and Leaf Plot?

Back

A graphical method used to display quantitative data, where each number is split into a 'stem' (the leading digit) and a 'leaf' (the trailing digit).

Front

Define a categorical variable.

Back

A variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group or nominal category.

Front

What is a dotplot?

Back

A type of statistical chart that consists of dots plotted on a simple scale, used to visualize the distribution of data.

Front

What is a boxplot?

Back

A standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Front

What is a histogram?

Back

A graphical representation of the distribution of numerical data, where the data is divided into bins or intervals.

Front

What does the median represent in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.