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Stem-leaf diagram

A stem-leaf diagram (or stem-leaf diagram) is a way of preparing unordered data for statistical investigations. The data is split into a stem part and a leaf part.

Statistical investigations are usually based on an evaluation of relatively large amounts of data. It is useful to prepare the data collected in an original list, usually in an unordered form, for further work. In addition to the tally list as the simplest form of such processing, the so-called stem-leaf diagram - geometry homework help (stem-leaf diagram) is suitable for this purpose.

In the stem-leaf diagram, the individual data is split into a "stem" and a "leaf" component. For example, the hundreds or tens of the data are selected as the stem values, and the units are selected as the leaf values.

In the left column of the display, the selected stem values are first noted in order (from the smallest to the largest value). The corresponding leaf values are then entered in the rows of the right-hand column - geometry problem solver . As this is generally done using the original list, the latter values are not ordered in the stem-leaf diagram.

Depending on the choice of stem values, different (coarser and finer) divisions result.

It is particularly easy to determine the central value (the value in the middle of the ordered data) from stem-leaf diagrams - do my homework . To do this, start counting off the data from the top (although in the line where the central value is located, the arithmetical order must be observed). In the example above, the central value is 35.

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