for the Biological
and Health Sciences
Read chapters 1 and 2.
TOPIC 1. Why is the standard deviation usually more useful and easier to understand than the variance?
TOPIC 2. You are designing an experiment to study the effect of temperature on the growth of bacteria in Petri dishes. Your heat source is a lamp that is affixed at one end of the lab bench. What experimental design will you use and why? What other variables do you need to consider?