Stats 1.1-1.3 Flashcard Review

Front

What is a Bar Graph?

Back

A Bar Graph is a statistical display that uses bars to represent the frequency or value of different categories.

Front

What is a Dotplot?

Back

A Dotplot is a statistical display that shows individual data points as dots along a number line, useful for visualizing the distribution of small data sets.

Front

What does a peak in a dotplot indicate?

Back

A peak in a dotplot indicates the most frequently occurring value(s) in the data set.

Front

What does it mean if a distribution is skewed right?

Back

A distribution is skewed right if it has a longer tail on the right side, indicating that there are a few high values.

Front

What are the three main shapes used to describe distributions?

Back

The three main shapes are Symmetrical, Skewed, and Uniform.

Front

What is a Histogram?

Back

A Histogram is a graphical representation of the distribution of numerical data, using bars to show the frequency of data within certain ranges.

Front

What is a Boxplot?

Back

A Boxplot is 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 does it mean for a distribution to be Uniform?

Back

A Uniform distribution is one where all outcomes are equally likely, resulting in a flat shape when graphed.

Front

How do you identify the center of a distribution?

Back

The center of a distribution can be identified using measures such as the mean, median, or mode.

Front

What is the purpose of using statistical displays?

Back

Statistical displays help visualize data, making it easier to identify patterns, trends, and outliers.