Null and Alternative Hypotheses

What are some terms related to hypothesis testing that you are already familiar with? Why does a null and alternative hypothesis have to be mutually exclusive? I actually did not know any specific terminology related to hypothesis testing. I can remember from high school that a hypothesis has to be testable. It is not just... Continue Reading →

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Hypothesis Testing Presentation

Slide 2 Notes The research topic that will be addressed is of a hypothetical nature and therefore the data is also largely hypothetical. With that in mind, the comparison distribution is a distribution of means of the 44 pre-k classes in a particular school district. For the past year the school district has kept records... Continue Reading →

The Five Steps of Hypothesis Testing

List the five steps of hypothesis testing and explain the procedure and logic of each. a. Restate the question as a research hypothesis and a null hypothesis about the population: Population 1 is the population that represents the general population, or at least the general population concerned with the area that the researcher is studying.... Continue Reading →

Example of the Scientific Method in Action

Plainly stated the scientific method involves taking an observation, asking a question about that observation, brainstorming possible answers culminating in the most probable answer, quantitatively testing that answer, and finally coming to a conclusion as to whether the most probable answer is the best answer given the test results. At that point, if the most... Continue Reading →

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