Independent vs. Dependent (pick one answer)

Question

• On average, do women perform better on their statistics
final than men?
• On average, is there a difference in people’s blood
pressure before and after giving a speech. 40 people’s blood
pressure was measured before and after giving a public
speech.
• At a specific restaurant, is the average tip percent greater
for supper than lunch? 35 wait staff who worked both lunch
and supper check their receipts and tips.
• On average, are Americans more stressed compared to the
French? 50 people from each country were given a stress
test.

Answer 1

Independent.