Question: Exercise 2 . Information on presence or absence (yes or no) of two characteristics A and B is available for several individuals. The data are

Exercise 2. Information on presence or absence (yes or no) of two characteristics A and B is available for several individuals. The data are stored in file 'ExamEx2.dat'. Compute the number of individuals who have

(a) characteristic A

(b) characteristic B

(c) only characteristic A

(d) only characteristic B

(e) both characteristics

(f) neither characteristic

(g) either characteristic

Hint: Construct a two-way table of A by B.

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