Category: hypothesis testing

A beautiful day, I made some fresh mochi and left them on the table for dinner dessert. After that, I…

Imagine you work at an electric car manufacturing company. The horn is an important tool. If it is too loud,…

Suppose we want to test if the proportion of apples with worms in an orchard is different from the commonly…

Suppose we want to investigate whether there is a relationship between the marriage rate and the divorce rate in different…

When dealing with large samples, usually consisting of 30 or more data points, the z-test can be applied with minimal…

Suppose we want to compare the average height of gnomes and dwarves. We will use an independent samples t-test to…

Suppose I have two cookie recipes, Recipe A and Recipe B, and I want to determine which one produces better…

In statistics, the t-test is a common hypothesis test used to determine if there is a significant difference between the…

The term “Student’s distribution,” also known as the “t-distribution,” is a probability distribution that arises in statistics and is used…

Suppose that I have a bakery store. One day, a guy came over to promote his bread-making machine. He emphasized…