Submit your Payment

If you accept our price, you can pay with any major credit card through a secure payment server with Paypal.

Your information is safe with them. You don't need a Paypal account. All you need to have is a credit card.

Paypal is the leader in online payments and they protect the seller and buyers integrally, making the whole payment experience really easy and safe.

To submit your payment, please type the quoted amount and click the "Buy Now" button below:

You will be directed to the Paypal payment page, where you will proceed with the Paypal by either using a credit card (which does not require a Paypal account), or by using your Paypal account (if you have one)

After you submit your payment, we get an automatic notifcation from Paypal, and we start processing your request.


  • Probability
    • Basic Concepts: Sample Space, Events
    • Densities and Distributions
    • Normal Probability, z-scores
    • Binomial Distribution
    • Poisson Probability

  • Descriptive statistics
    • Descriptive Analysis of data
    • Graphs and charts
    • Histograms

  • Inferential Statistics
    • Means, variances, populations, samples
    • Confidence Intervals.
    • Z-test, T-test, F-tests and Chi-Square Tests
    • ANOVA, Factorial ANOVA, MANOVA
    • Linear and non-linear regression

  • Non-parametric Statistics
    • Sign Test
    • Wilkinson Tests
    • Kruskal-Wallis Test
    • Spearman Correlation Coefficient
    • Run Tests

  • Statistical Softwares
    • SPSS
    • Minitab
    • PHStat2
    • Excel
    • Matlab
    • Mathematica
    • R and S-Plus
    • Tree Plan
    • MegaStats
    • POM/QM
    • Stata

Some interesting Statistics resources