Natural Disaster. From Wikipedia, we compiled the following table on natural disasters in the islands of Japan. The table uses these abbreviations: HU = Honshu, HA = Hokkaido, I = Izu Island, O =

Osumi Island, V = Volcanic Eruption, T = Typhoon, E = Earthquake.

Natural disaster Island Natural disaster Island V I E HA E HA T HU E HU T HU V HU V O V HU E HU V HU V I V HU E HU E O T HU T O E O E HA E O E HU E HU V HA T HU T HU V HA V I V I T O E I

a. What is the population under consideration?

b. What are the two variables under consideration?

c. Group the bivariate data for the variables “natural disaster” and

“island” into a contingency table.