Range & Interquartile Range/box Plots

Front

What is the first step to take when attempting to find IQR?

Back

Put the list of numbers in order.

Front

What is the definition of the interquartile range (IQR)?

Back

The IQR is the difference between the upper quartile (Q3) and the lower quartile (Q1).

Front

How do you find the median of a data set?

Back

Arrange the numbers in order and find the middle value.

Front

What is the first quartile (Q1)?

Back

The first quartile (Q1) is the median of the lower half of the data set.

Front

What is the third quartile (Q3)?

Back

The third quartile (Q3) is the median of the upper half of the data set.

Front

What does a box plot represent?

Back

A box plot visually displays the distribution of a data set based on five summary statistics: minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What is the definition of the median?

Back

The median is the middle number in a sorted list of numbers.

Front

What is the upper quartile (Q3) of the data set: 32, 53, 72, 66, 47, 54, 49, 67, 71?

Back

The upper quartile (Q3) is 67.

Front

What is the lower quartile (Q1) of the data set: 32, 53, 72, 66, 47, 54, 49, 67, 71?

Back

The lower quartile (Q1) is 49.