Assertion (A): For two attributes A and B, if (AB) > (A)(B)/N, they are positively associated. Reason (R): Positive association means they occur together more often than expected under independence. Choose the correct option:
A.Both A and R are true, but R is not the correct explanation of A
B.A is true, R is false
C.A is false, R is true
D.Both A and R are true, and R is the correct explanation of A
Assertion (A): Mailed questionnaire method is suitable when the informants are illiterate. Reason (R): Mailed questionnaire does not require any personal interaction. Choose the correct option:
A.A is false, R is true
B.Both A and R are true, but R is not the correct explanation of A
C.A is true, R is false
D.Both A and R are true, and R is the correct explanation of A
Explanation:
Mailed questionnaire is unsuitable for illiterates because they cannot read/write. The reason (no personal interaction) is true but does not make it suitable for illiterates; in fact, it makes it worse.
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