Dot Plots & Box Plots

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of data points plotted on a simple scale, typically using dots to represent individual data points.

Front

What is a box plot?

Back

A box plot, or whisker plot, is a standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

How do you find the interquartile range (IQR)?

Back

The interquartile range (IQR) is found by subtracting the first quartile (Q1) from the third quartile (Q3): IQR = Q3 - Q1.

Front

What does the term 'range' refer to in statistics?

Back

The range is the difference between the maximum and minimum values in a data set.

Front

What is the median in a data set?

Back

The median is the middle value when the data points are arranged in order. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What does Q1 represent in a box plot?

Back

Q1, or the first quartile, represents the value below which 25% of the data falls.

Front

What does Q3 represent in a box plot?

Back

Q3, or the third quartile, represents the value below which 75% of the data falls.

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

How do you identify the least and greatest values in a data set?

Back

The least value is the smallest number in the data set, while the greatest value is the largest number.

Front

What is the five-number summary in statistics?

Back

The five-number summary includes the minimum, Q1, median, Q3, and maximum of a data set.