You are watching: How are dotplots and stem-and-leaf displays similar?
Both are methods of grouping data and also can be offered to identify trends in that data, and some fads are an ext obvious in one or the other.
Dot plots and stem-and-leaf plots look and behave similarly. They have actually a list of raising values or teams of values on one next of a line, and also on the various other side of the line, they note how frequently those values occur. Usually, dot plots are much easier to make, yet stem-and-leaf plots give more information in some cases.
Dot plots usually list the values or intervals horizontally and stack "X"s over each interval come tally their frequency. Stem-and-leaf plots perform intervals, regularly the biggest relevant digit, vertically and place the lower-value number to their right.
Both could be provided to analyze a cable of numbers, such together "17, 22, 23, 22, 16, 21, 18, 20, 20, 22, 17, 25, 19, 22, 17."
In the period plot, all whole numbers in between 16 and 25 can be listed, and each worth would be significant for the number of times the it occurs. This renders finding the mode an extremely easy.
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In the stem-and-leaf plot, 10s number 1 and 2 would produce two rows. The people digits the correspond to that 10 would certainly follow in order come the ideal of the line. In this case, an analyst might see grouping and also still be able to locate median and mode.
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