![]() ![]() Internet Center for Management and Business Administration, Inc. Construct a two-sided stem-and-leaf plot for the data and compare the distributions. She recently wrote down the class marks for her current grade 12 class and compared it to the previous grade 12 class. Home | About | Privacy | Reprints | Terms of UseĬopyright © 2002-2023 . Cameron teaches AP Statistics at GHI High School. The stem and leaf plot offers information similar to that conveyed by a histogram, and easily can be constructed without a computer. The data is arranged compactly since the stem is not repeated in multiple data points. ![]() ![]() The values of each individual data point can be recovered from the plot. The plot can be constructed quickly using pencil and paper. The stem and leaf plot essentially provides the same information as a histogram, with the following added benefits: Question : Which is accurate of stem-and-leaf displays Student Answer: They eliminate the final value. They show how data is distributed, and whether it is symmetric around the center. If a larger number of bins is desired, the stem may be 2 digits for larger numbers, or there may be two stems for each first digit - one for 2nd digits of 0 to 4 and the other for 2nd digits of 5 to 9. Points Received: 1 of 1 Comments: Question 4. Stem-and-leaf plots have a number of advantages over simply listing the data in a single line. Alternatively, some people consider the rows to be stems and their digits to be leaves. The term "stem and leaf" is used to describe the diagram since it resembles the right half of a leaf, with the stem at the left and the outline of the edge of the leaf on the right. The result is a histogram turned on its side, constructed from the digits of the data. ![]()
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