Data Display Ticket Out the Door

Front

What is a box-and-whisker plot?

Back

A box-and-whisker plot is a graphical representation of data that shows the distribution of a dataset based on five summary statistics: minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

What does IQR stand for?

Back

IQR stands for Interquartile Range, which is the difference between the first quartile (Q1) and the third quartile (Q3) in a dataset.

Front

How do you calculate the IQR?

Back

To calculate the IQR, subtract the first quartile (Q1) from the third quartile (Q3): IQR = Q3 - Q1.

Front

What does the median represent in a dataset?

Back

The median is the middle value of a dataset when it is ordered from least to greatest. It divides the dataset into two equal halves.

Front

What is a dot plot?

Back

A dot plot is a simple statistical chart that consists of dots plotted above a number line, representing the frequency of data points.

Front

What is the purpose of a box-and-whisker plot?

Back

The purpose of a box-and-whisker plot is to visually summarize the distribution of a dataset, highlighting its central tendency and variability.

Front

What does it mean if 50% of people have an electric bill that is no more than a certain amount?

Back

It means that half of the people in the dataset paid that amount or less for their electric bill.

Front

How can you predict a favorite subject based on a sample?

Back

To predict a favorite subject, you can use proportional reasoning based on the sample size and the percentage of students who chose that subject.

Front

What is the significance of the upper quartile in a dataset?

Back

The upper quartile (Q3) represents the value below which 75% of the data falls, indicating the higher end of the data distribution.

Front

What does it mean if the IQR is greater in one group than another?

Back

If the IQR is greater in one group, it indicates that the data in that group is more spread out or has greater variability compared to the other group.