👉Cómo calcular INTERVALOS DE CLASE, REGLA DE STURGES y MARCA DE CLASE estadística en DATOS AGRUPADOS

👉Cómo calcular INTERVALOS DE CLASE, REGLA DE STURGES y MARCA DE CLASE estadística en DATOS AGRUPADOS

Understanding Data Intervals and Class Marks

In this section, the video explains how to calculate intervals, frequencies, and class marks for grouped data.

Calculating Intervals and Ranges

  • : The range (r) is calculated as the maximum value minus the minimum value in the dataset.
  • : Determining the number of intervals (k) using Sturges' rule: 1 + 3.322 * log(n), where n is the total number of data points.
  • : Approximating the number of intervals to an odd integer for convenience.

Amplitude Calculation and Table Creation

  • : Calculating amplitude by dividing the range by the number of intervals.
  • : Creating a table with columns for intervals, frequencies, and class marks based on calculated values.

Frequency Calculation and Class Marks

  • : Finding frequencies by counting data points within each interval.
  • : Determining class marks as the average of upper and lower limits for each interval.

Conclusion

  • : Summarizing key steps in calculating frequencies and class marks for grouped data.