1. Twenty students participated in a psychology experiment which measured their heart
rates in two different situations.

a. What are the appropriate measures of center and variability to use with the
data? Explain your reasoning.

b. Which situation shows a greater typical heart rate?

c. Which situation shows greater variability?

2.
a. Invent two situations that you think would result in distributions with similar
measures of variability. Explain your reasoning.

b. Invent two situations that you think would result in distributions with different
measures of variability. Explain your reasoning.