A researcher measured the number of tree species per 0.1 hectare plot along the Black, Huron, and Vermilion rivers. The data are summarized in the table below:

Here is a partial ANOVA table summarizing the results.

(a) Find the value of the test statistic that is used to test H0. (You do not need to complete the test.)
(b) We use ANOVA to test a null hypothesis, H0. The P-value for the test is 0.397. State the conclusion regarding H0 in the context of this
(c) What conditions are necessary for the ANOVA to be valid?

Transcribed Image Text:

Black Huron Vermilion 9.33 10 3.16 Mean 9.89 Median SD 2.42 2.71 Degree of Sum of Mean Source Between groups Within groups24 freedom squres square F 14.889 185.778 Total 200.667