Hypothesis Testing T Test Examples. There s nothing like an in depth experiment to get to the bottom of it all. Xμ 1 μ 2.
Xμ 1 μ 2 h 1. Hypothesis testing using t and confidence interval using s x in the united states mothers who live in poverty generally have babies with lower birth weight than those who do not live in poverty. Single sample t test.
Hypothesis testing is a formal procedure for investigating our ideas about the world using statistics.
It is often used in hypothesis testing to determine whether a process or treatment actually has an effect on the population of interest or whether two groups are different from one another. With the help of sample data we form assumptions about the population then we have test our assumptions statistically. The test statistic t is 1 22 and the p value is 0 117. The following shows a worked out example of a hypothesis test.
