Box and Whisker Plots

Front

What does the 'Q' stand for in Q1, Q2, and Q3?

Back

Quartiles

Front

What is the median of the following set of numbers: 10, 25, 5, 20, 15?

Back

15

Front

What percentage of the temperatures is below 71 degrees if the data set shows that 75% of the values are below this number?

Back

75%

Front

What are the MINIMUM and MAXIMUM values in the data set: 3, 4, 10, 15, 18?

Back

3 and 18

Front

You can NOT break the data into two sections until you find the _________.

Back

Q2

Front

What is a Box and Whisker Plot used for?

Back

To visually display the distribution of a data set based on five summary statistics: minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum.

Front

How do you find the first quartile (Q1) in a data set?

Back

Arrange the data in ascending order and find the median of the lower half of the data.

Front

What does the whisker represent in a Box and Whisker Plot?

Back

The whiskers extend from the quartiles to the minimum and maximum values, showing the range of the data.

Front

What is the purpose of the median in a data set?

Back

The median is the middle value that separates the higher half from the lower half of the data set.

Front

How do you calculate the interquartile range (IQR)?

Back

IQR = Q3 - Q1, which measures the spread of the middle 50% of the data.