What does Levene’s test tell us?

Say you are conducting a study looking at therapy frequency and how it may influence anxiety symptoms. You get the following results from a one-way ANOVA: F(2, 57) = 4.32, p = .018, η² = .13 Write a few sentences explaining what you can determine about statistical and practical significance from these results. Also, what would be your next step based on the results?

The goodness-of-fit chi-square test is used to determine:

Instead of running a one-way ANOVA, you might just run multiple t-tests to compare groups. Why would this be incorrect?

Which measure of central tendency is least affected by extreme values (outliers)?

How many variables doe a Chi-square goodness of fit test look at?

The purpose of the gel in SST tubes is to:

Coagulation tests such as PT and PTT are performed on which tube?  

What is the additive in green tubes?

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