2nd October 2019

stattrek
15

What is the center of the box plot?

The median is indicated by the vertical line that runs down the center of the box. In the boxplot above, the median is between 4 and 6, around 5. Additionally, boxplots display two common measures of the variability or spread in a data set.

Thereof, what does the line in a box plot mean?

Box Plot: Display of Distribution. The box plot (a.k.a. box and whisker diagram) is a standardized way of displaying the distribution of data based on the five number summary: minimum, first quartile, median, third quartile, and maximum.

What is a whisker plot?

A box and whisker plot (sometimes called a boxplot) is a graph that presents information from a five-number summary. In a box and whisker plot: the ends of the box are the upper and lower quartiles, so the box spans the interquartile range. the median is marked by a vertical line inside the box.

How do you know if a box plot is skewed?

A boxplot can show whether a data set is symmetric (roughly the same on each side when cut down the middle) or skewed (lopsided). A symmetric data set shows the median roughly in the middle of the box. If the longer part of the box is to the right (or above) the median, the data is said to be skewed right.
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