Box and Whisker Plots

Front

What does a box plot visually represent?

Back

A box plot visually represents the distribution of a dataset through its quartiles, highlighting the median, lower quartile, upper quartile, and potential outliers.

Front

What is the median 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 does point C on a box plot represent?

Back

Point C on a box plot represents the median of the dataset.

Front

How do you calculate the range of a dataset?

Back

The range of a dataset is calculated by subtracting the smallest value from the largest value.

Front

What is the significance of the upper and lower quartiles in a box plot?

Back

The upper quartile (Q3) represents the 75th percentile, while the lower quartile (Q1) represents the 25th percentile of the dataset, indicating the spread of the middle 50% of the data.

Front

What does the interquartile range (IQR) measure?

Back

The interquartile range (IQR) measures the spread of the middle 50% of the data, calculated as Q3 - Q1.

Front

What is an outlier in a dataset?

Back

An outlier is a data point that is significantly different from the other observations in the dataset, often lying outside 1.5 times the IQR from the quartiles.

Front

How can you identify outliers using a box plot?

Back

Outliers can be identified in a box plot as points that lie outside the whiskers, which extend to 1.5 times the IQR from the quartiles.

Front

What does the whisker in a box plot represent?

Back

The whiskers in a box plot represent the range of the data, extending from the lower quartile to the minimum value and from the upper quartile to the maximum value, excluding outliers.

Front

What is the purpose of a box plot?

Back

The purpose of a box plot is to provide a visual summary of the central tendency, variability, and distribution of a dataset.