![]() ![]() This is not particularly out of the ordinary, and you probably wouldn’t think much of it. Assuming the coin is fair, your odds of having done that are. For example, let’s say you flip a coin three times, and get tails every time. It is used to determine how unusual your result is assuming the null hypothesis is true. What is a test statistic?Ī test statistic is one component of a significance test. Here, we will quickly break down what they all have in common, and then provide a reference for when to use which test statistic. These four test statistics fundamentally do the same thing, just in different situations. ![]() The important thing to remember is that they are not that different from each other. When do you use f-stat rather than t-stat? What is a chi-squared value? ![]() You have the options of z-score, t-statistic, f-statistic, and chi-squared, and it’s easy to forget what the difference is between all of these letters. One of the more confusing things when beginning to study stats is the variety of available test statistics. Test Statistic Cheat Sheet: Z, T, F, and Chi-Squared ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |