Quiz-7

Short answer solutions

Question: Refer to the null and alternative hypotheses for the species vs bill length study here

Using the associated R output here…

write a decision AND conclusion for this study. Make sure that your conclusion is in the context of the problem. You can assume an alpha of 0.05.

Answer: Based on a p-value of < 0.001, we have evidence to reject the null hypothesis and strong evidence to conclude that at least one true mean bill length is different.