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Estadística y Probabilidad

Calculadora verificada con fórmula transparente

Estadística y Probabilidad

Categorical Data Calculator.

Calculates basic statistics for categorical data: number of categories, total observations, and mode count.

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Tus entradas

Cómo funciona

  1. 1

    Enter the number of categories.

  2. 2

    Enter the total number of observations.

  3. 3

    Enter the frequency of the most common category.

  4. 4

    The calculator shows the mode proportion and average per category.

max_frequency / total_observations * 100

Preguntas frecuentes

What is the mode proportion?

It is the percentage of observations that belong to the most frequent category, calculated as highest frequency divided by total observations times 100.

How is the average per category computed?

It is the total observations divided by the number of categories, giving the mean count if all categories were equal.

Can I use this for any categorical data?

Yes, as long as you know the number of categories, total observations, and the frequency of the most common category.

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Resultados

Fórmula verificada

Mode proportion

40%

Average per category33,33
Mode count40
Pregunta lo que sea

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Cómo funciona

Calculates basic statistics for categorical data: number of categories, total observations, and mode count.

  1. Enter the number of categories.
  2. Enter the total number of observations.
  3. Enter the frequency of the most common category.
  4. The calculator shows the mode proportion and average per category.

Fórmulas

Las matemáticas detrás de esta calculadora, escritas para que puedas verificar el resultado.

Mode proportion

Mode proportion = (Highest frequency / Total observations) × 100

This gives the percentage of data points in the most frequent category.

Average per category

Average per category = Total observations / Number of categories

This is the mean count per category if the data were evenly distributed.

Casos de uso reales

Dónde aparece este cálculo en la vida cotidiana.

Survey analysis

Quickly see which response option dominates and how concentrated the answers are.

Example: A survey with 200 responses, 80 choosing 'Yes' gives a mode proportion of 40%.

Quality control

Identify the most common defect type in a production batch.

Example: Out of 500 items, 150 have the same defect, so mode proportion is 30%.

Market research

Determine the most popular product variant among customers.

Example: If 120 out of 300 customers prefer blue, mode proportion is 40%.

Consejos y errores comunes

Tips

  • Ensure the highest frequency is not greater than total observations.
  • Use the average per category to check if the distribution is balanced.
  • Compare mode proportions across different groups to spot differences.
  • For large datasets, round frequencies to whole numbers.

Common Mistakes to Avoid

  • Entering the highest frequency as a percentage instead of a count.
  • Forgetting that total observations must be at least as large as the highest frequency.
  • Using the mode proportion as a measure of spread; it only indicates concentration.

Supuestos y limitaciones

  • Use the stated inputs and units.
  • Results are estimates for planning and education.
  • Check measurements and source data before making an important decision.