In this question you will use class data from Tetrahymena and Biofuels to practice

inferential stats. Refer to the tutorial in Lab 4.

1a. What is the null hypothesis for the Tetrahymena experiment? (1 mark)

1b. List the p-value obtained from the t-test comparing the smoke treated cells

to the control cells. (1 mark)

1c. What conclusion can you draw from this p-value in terms of the effect of

smoke on phagocytosis? (1 mark)

2a. List the three p-values from t-tests for (control compared to sugarcane)

(control compared to corn) (sugar cane compared to corn). (1 mark)

2b. Was there a significant difference in the rate of fermentation between corn

and sugarcane? Explain how you determined if the rates were significantly

different or not (2 marks)