Businesses are increasingly beginning to use data to drive decision making, and are often using hypothesis tests. Hypothesis tests are used to differentiate between a pair of potential solutions, or to understand the performance of systems before and after a certain change. We’ve already seen t-tests and how they’re used to ascribe a range to […]Read more "Hypothesis Tests: 2 Sample Tests (A/B Tests)"
If you were to walk into a restaurant and order a cup of coffee, you’d expect to get a standard cup of the stuff, and you’d expect to get a sufficient quantity of it too. How much coffee for a certain price is too much, and how much is too little? More realistically, when you […]Read more "Confidence Intervals and t-tests in R"