Statistical Hypothesis Testing -Part I: The One-Tailed Test

1. 1Formulate a null and alternative hypothesis using statistical notation
2. 2Choose a significance level and determine the critical region
3. 3Calculate the test statistic using sample data
4. 4Compare the test statistic to the critical value
5. 5Draw a conclusion based on the test result

Data scientists and analysts benefit from understanding statistical hypothesis testing to make informed decisions, and product managers can use this knowledge to evaluate the effectiveness of features

💡 A one-tailed test is used when you have a specific direction of effect in mind

💡 Statistical hypothesis testing helps you separate signal from noise in data