Question 1

What statistics does this calculator compute?

Accepted Answer

It computes count, sum, mean, median, mode, trimmed and winsorized means, geometric and harmonic means, RMS, min, max, range, Q1, Q3, IQR, variance, standard deviation, standard error, mean absolute deviation, coefficient of variation, skewness, kurtosis, confidence intervals, deciles, z-scores, and outlier detection using the IQR method.

Question 2

What visualizations are available?

Accepted Answer

The calculator provides histograms, box-and-whisker plots, dot plots, cumulative distribution curves (ogive), stem-and-leaf plots, frequency tables with cumulative frequencies, and a five-number summary diagram.

Question 3

Can I compare two datasets?

Accepted Answer

Yes. Enable Compare mode to enter a second dataset and view side-by-side statistics, along with Pearson and Spearman correlation coefficients and linear regression analysis.

Question 4

Is there an outlier detection feature?

Accepted Answer

Yes. Outliers are detected using the IQR (Interquartile Range) method and highlighted in the sorted data, box plot, and dot plot. You can also remove outliers with one click and recalculate.

📊 Statistics Calculator

Histogram

Cumulative Distribution (Ogive)