How do you describe a box-and-whisker plot?

How do you describe a box-and-whisker plot?

A box and whisker plot—also called a box plot—displays the five-number summary of a set of data. The five-number summary is the minimum, first quartile, median, third quartile, and maximum. A vertical line goes through the box at the median. The whiskers go from each quartile to the minimum or maximum.

What is the other term for box whiskers plot?

Another name for a boxplot is a box-and-whisker plot, as the box contains the first quartile, median, and third quartile, and the whiskers are the lines extending to the minimum and maximum.

How do you describe a box chart?

A boxplot is a graph that gives you a good indication of how the values in the data are spread out. Boxplots are a standardized way of displaying the distribution of data based on a five number summary (“minimum”, first quartile (Q1), median, third quartile (Q3), and “maximum”).

What does the box in box plot represent?

The box of the plot is a rectangle which encloses the middle half of the sample, with an end at each quartile. The length of the box is thus the interquartile range of the sample. The other dimension of the box does not represent anything in particular. A line is drawn across the box at the sample median.

What is an adjective for box?

small, black, wooden, little, large, snuff, big, empty, strong, rectangular, down, white, open, fire, the, safe, appropriate, red, top, blue, musical, royal, plastic, heavy, closed, light, huge, green, flat, tight, alert, tiny, standard, oblong, separate, dark, round, shallow, gray, hot, loose, sound, smaller, shaped.

How do you interpret Boxplot results?

The median (middle quartile) marks the mid-point of the data and is shown by the line that divides the box into two parts. Half the scores are greater than or equal to this value and half are less. The middle “box” represents the middle 50% of scores for the group.

What is whisker chart?

A box and whisker chart shows distribution of data into quartiles, highlighting the mean and outliers. The boxes may have lines extending vertically called “whiskers”. These lines indicate variability outside the upper and lower quartiles, and any point outside those lines or whiskers is considered an outlier.

What is whisker plot?

Description. A Box and Whisker Plot (or Box Plot) is a convenient way of visually displaying the data distribution through their quartiles. The lines extending parallel from the boxes are known as the “whiskers”, which are used to indicate variability outside the upper and lower quartiles.

How do you compare two box and whisker plots?

Guidelines for comparing boxplots

1. Compare the respective medians, to compare location.
2. Compare the interquartile ranges (that is, the box lengths), to compare dispersion.
3. Look at the overall spread as shown by the adjacent values.
4. Look for signs of skewness.
5. Look for potential outliers.

Does a box and whisker plot show the mean?

A boxplot, also called a box and whisker plot, is a way to show the spread and centers of a data set. Measures of center include the mean or average and median (the middle of a data set). The box and whiskers chart shows you how your data is spread out.

How are box and whisker plots used in the real world?

You can use “box and whisker plot” in the real world to when you are trying to compare something with another. For example if you want to compare which phone is worth it, you can do this by getting the average of how many people buy the better phone.

Can a box and whisker plot have only one whisker?

The median is 2, the lower quartile (the median of the values less than the median) is 1 and the upper quartile is 3. Thus the box extends from 1 to 3 are there are no whiskers. You could construct a larger data set with the same property. You might have a thousand ones, a thousand twos and a thousand threes.

How to create a box and whisker plot?

1) Gather your data. Let’s say we start the numbers 1, 3, 2, 4, and 5. 2) Organize the data from least to greatest. 3) Find the median of the data set. 4) Find the first and third quartiles. 5) Draw a plot line. 6) Mark your first, second, and third quartiles on the plot line. 7) Make a box by drawing horizontal lines connecting the quartiles. 8) Mark your outliers. See More…

Which box and whisker plot matches the data?

Then, the whiskers are added by drawing lines from the lowest at 28 to the start of the box at 30, and from the end of the box at 48 to the highest value at 54. Hence, the box and whisker plot for this data is letter A or the first choice.

Which box and whisker plot best represents the data?

The first and third quartiles are the medians of the lower and upper half of the data set, respectively. In a box-and-whisker plot, the first and third quartiles form the ends of the box, with the median in the interior of the box. The highest and lowest values represent the whiskers. Similar Articles.

What is a box plot and when to use it?

A boxplot is a graph that gives you a good indication of how the values in the data are spread out . Although boxplots may seem primitive in comparison to a histogram or density plot, they have the advantage of taking up less space, which is useful when comparing distributions between many groups or datasets.