Terminology The table in Exercise is called a contingency

QUESTION:

Terminology? The table in Exercise is called a contingency table or two-way table. Why is the term ?contingency? used? Why is the terminology of ?two-way table used? Exercise Smoking Cessation? The accompanying table summarizes successes and failures when subjects used different methods when trying to stop smoking. The determination of smoking or not smoking was made five months after the treatment was begun, and the data are based on results from the Centers for Disease Control and Prevention. If we test the claim that success is independent of the method used, the TI-83/84 Plus calculator provides a ?P?-value of 0.216 (rounded). What does the ?P?-value tell us about that claim? N N N i i i c c c o o o t t t i i i n n n e e e P I G a n t h u c a m h l e r S m o 1 2 9 k 9 6 5 i 1 3 n g N o t S m 5 5 2 o 9 7 7 k i n g