Minitab is a Home & Education software developed by Minitab Inc. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Minitab:

Edit By BS Editor: Basic Statistics

Access a complete set of statistical tools, including Descriptive Statistics, Hypothesis Tests, Confidence Intervals and Normality Tests.

Regression and ANOVA

Uncover the relationships between variables and identify important factors affecting the quality of your goods and services.

Design of Experiments

Find the settings that optimize your Processes using Factorial, Response Surface, Mixture and Taguchi designs.

Control Charts

Monitor your processes over time and evaluate their stability.

Quality Tools

Determine if your measurement systems are adequate, assess how well your processes meet specification limits, create sampling plans, and more.

Reliability and Survival

Determine a product's lifetime characteristics using a wide range of tools including Distribution Analysis and Accelerated Life Testing.

Additional Statistics

Use Minitab's comprehensive suite of statistics to perform any additional analyses you may find you need.