Shelf 06
Statistics and Data calculators
Class widths for frequency tables, the empirical rule and the coefficient of variation, for coursework and reports.
- Calculators on this shelf
- 3
- Typical formula
- CV = s ÷ x̄ × 100
Front of the shelf
Card 06-0032Coefficient of Variation (CV) Formula and CalculatorCoefficient of variation19.56 %Coefficient of variation of a list of numbers: sample standard deviation divided by the mean, in percent.
Card 06-0031How to Calculate the Empirical Rule (68-95-99.7)68% range from85.00The 68% and 95% ranges of a normal distribution from its mean and standard deviation.
Card 06-0030Class Width Calculator for Frequency TablesClass width (rounded up)8Class width for a frequency table or histogram from the largest value, the smallest value and the number of cl…
Everything in Statistics and Data
| Page | Example result |
|---|---|
| Class Width Calculator for Frequency Tables | 8 |
| Coefficient of Variation (CV) Formula and Calculator | 19.56 % |
| How to Calculate the Empirical Rule (68-95-99.7) | 85.00 |
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Every calculator uses a standard formula and shows it. How the calculators work.