Histograms/Boxplots practice

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges (bins).

Front

What is the median in a data set?

Back

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

Front

What is a boxplot?

Back

A boxplot (or box-and-whisker plot) is a standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum.

Front

What does IQR stand for?

Back

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

Front

How do you calculate the IQR?

Back

IQR = Q3 - Q1.

Front

What is the purpose of a histogram?

Back

The purpose of a histogram is to provide a visual representation of the distribution of data, allowing for easy identification of patterns, trends, and outliers.

Front

What does the height of a bar in a histogram represent?

Back

The height of a bar in a histogram represents the frequency (count) of data points that fall within the corresponding range (bin).

Front

What is the range of a data set?

Back

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

Front

How can you determine the total number of data points represented in a histogram?

Back

You can determine the total number of data points by summing the heights of all the bars in the histogram.

Front

What is the mode of a data set?

Back

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