JESUS CHRIST is the same yesterday, and today, and forever. - Hebrews 13:8

The Joy of a Teacher is the Success of his Students. - Samuel Chukwuemeka

Inferential Statistics Calculators

Samdom For Peace

I greet you this day,

You may use these calculators to check your answers. You are encouraged to solve the questions first, and check your answers. These topics are covered in my Videos and Notes on Inferential Statistics.

I wrote the codes for these calculators using Javascript, a client-side scripting language. Please use the latest Internet browsers. The calculators should work.
You may need to refresh your browser after each calculation in order to remove the previous calculation results.

Comments, ideas, areas of improvement, questions, and constructive criticisms are welcome.
Should you need to contact me, please use the form at the bottom of the page. Thank you for visiting.

Samuel Dominic Chukwuemeka (Samdom For Peace) B.Eng., A.A.T, M.Ed., M.S

Critical Values
















Estimating Population Proportion


















Estimating Population Mean

















Estimating Population Variance and Population Standard Deviation


Expected Counts