数学

Stem And Leaf Calculator

Stem-and-Leaf Plot

Enter whole numbers separated by spaces or commas.

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We're working on a comprehensive educational guide for the Stem And Leaf Calculator in your language. The content below is shown in English.

とは何か Stem And Leaf Calculator?

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A stem-and-leaf plot is a data display that organises values by their leading digits (stems) and trailing digits (leaves), giving a quick visual distribution while preserving all original values.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

公式

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f(x)Stem | Leaf format where stem = tens digit, leaf = ones digit; displays ordered distribution

変数の説明

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記号	名前	単位	説明
S	Stem (tens)	digit	—
L	Leaf (ones)	digit	—

方法 Stem And Leaf Calculator

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1Stem = leading digit(s); Leaf = final digit
2Order stems vertically; list leaves in order for each stem
3Back-to-back: two datasets sharing stems, leaves on each side
4Useful for small-to-medium datasets (10–100 values)

解いた例

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例 1

入力:Dataset: 12,15,21,23,27,31,35

結果:1|2 5 2|1 3 7 3|1 5 (1|2 means 12)

実際の応用

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Data analysis and visualization

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Statistical summary of distributions

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Student achievement displays

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Exploratory data analysis

Stem-and-Leaf vs Other Displays

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Display	Preserves data?	Best for
Stem-and-leaf	Yes (all values)	Small datasets, identifying outliers
Histogram	No (grouped)	Large datasets, overall shape
Box plot	No (summary)	Comparing distributions
Dot plot	Yes	Very small datasets

よくある質問

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How do I read a stem-and-leaf plot of 23, 25, 27?

Stem 2 | Leaves 3, 5, 7. Shows values in 20s with specific ones digits.

Why use stem-and-leaf instead of histogram?

Stem-and-leaf preserves exact values. Histogram shows frequencies only. Good for smaller datasets (10-50 values).

Can I use for decimals?

Yes. 2.3, 2.5, 2.7 becomes Stem 2 | Leaves 3, 5, 7 (with decimal noted).

参考文献

›Stem-and-leaf plots — Khan Academy

Formula-verified for precision

Reviewed October 2026

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