Mission

: You have organized your data from three different samples into an Excel spreadsheet.

Now, you have to decide what type of test will be most appropriate for each sample.

(Unless otherwise stated, use an alpha of 0.05.)

On

Sheet 1

, you have data representing the virus score divided into ethnicity.

Your question

: Is there a difference in mean virus score between the four groups?

1. What type of test will be most appropriate to answer your question?