4.Explain why a strong correlation would be found between weekly sales of hand warmers and weekly sales of cough drops over a 1 year period. a.All people who buy hand warmers will also buy cough drops.

b.People who buy hand warmers will never buy cough drops.

c.Both hand warmers and cough drops are seasonal items. They cannot be sold during the cold seasons.

d.Both the sales of hand warmers and the sales of cough drops are likely to increase during the warm seasons, and decrease during the cold seasons.

e.Both the sales of hand warmers and the sales of cough drops are likely to increase during the cold seasons, and decrease during the warm seasons. Would it imply that warm hands cause coughs?

a.Yes, a correlation indicates a cause and effect relationship.

b.No, correlation does not imply causation.