Data Analysis Tools: A/B Tests, Probability & Visualizations

Analysts, marketers and students need statistics that are fast and accurate. This guide covers the free tools on Taskly's data analysis page.

A/B Testing

The A/B test calculator computes significance and confidence from conversion rates and sample sizes.

Probability & Confidence

The probability calculator handles single and combined events, and the confidence interval calculator estimates population ranges.

Descriptive Stats

The average calculator finds means and the percentage difference calculator compares values.

Visualizations

Turn numbers into charts with the bar chart, pie chart and histogram generators.

Get Started

All tools run in your browser. Browse at data analysis tools.

Frequently Asked Questions

Is my A/B test significant?

The A/B test calculator computes statistical significance and confidence from your conversion rates and sample sizes.

How do I calculate probability?

Enter favorable and total outcomes to get the probability, odds and percentage for single and combined events.

What is a confidence interval?

The confidence interval calculator estimates the range where the true population value lies from your sample mean, size and confidence level.

Can I create charts from my data?

Yes. The bar chart, pie chart and histogram generators turn your numbers into shareable visualizations.