Mean, Median, Mode, Range, IQR - Box Plots

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

What is the median in a data set?

Back

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

Front

Define mode in statistics.

Back

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

Front

What is the range of a set of numbers?

Back

The range is the difference between the largest and smallest numbers in a data set.

Front

How do you find the interquartile range (IQR)?

Back

The IQR is found by subtracting the first quartile (Q1) from the third quartile (Q3).

Front

What does Q1 represent in a box plot?

Back

Q1, or the first quartile, represents the median of the lower half of the data set.

Front

What does Q3 represent in a box plot?

Back

Q3, or the third quartile, represents the median of the upper half of the data set.

Front

What do the points A and E represent on a box plot?

Back

Points A and E represent the least and greatest values in the data set.

Front

How do you calculate the median of the numbers 2, 5, 4, 3, 7, 5, 5?

Back

First, arrange the numbers in order: 2, 3, 4, 5, 5, 5, 7. The median is 5.

Front

What is a box plot?

Back

A box plot is a graphical representation of a data set that shows the minimum, first quartile, median, third quartile, and maximum.