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After completing the purchase of your tutorial you will be directed to download the installation file. Shortly after this, we will email you with a license file which all our tutorials require to run - this will be sent to the email address given during the purchase transaction.

To buy, select your location from the options below:

EU European Union countries
(payment in pounds sterling)

Non-EU US and worldwide
(payment in US dollars)


Mac users

There is currently no version available for use on the Mac. However, we do monitor the situation, and if there is sufficient demand, we will provide one. Please let us know if you would be interested in this.


Refund policy

Please note that if you are purchasing T Tests for the Terrified or Statistics for the Terrified for personal (ie. non-business) use, you have the right to cancel within seven days of purchase, or seven days of receipt of the goods (whichever is the longer). If you do cancel your order, your payment will be returned. To cancel an order, please contact us and include your transaction details in your email.

Statistics for the Terrified
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T tests for the Terrified


Free resources:
Statistics glossary
What is risk?
Conditional probability
Median and mean
Evening the odds
The prosecutor's fallacy
Clinical trials
More soon...