Reason (R): A class of procedures primarily used for data reduction and summarization.
A. Both (A. and (R) are true and (R) is the correct explanation.
B. Both (A) and (R) are true, but (R) is not the correct explanation.
C. (A) is true but (R) is false.
D. (A) is false but (R) is true.
Answer:A
Reason (R): A class of procedures primarily used for data reduction and summarization.
A. Both (A. and (R) are true and (R) is the correct explanation. B. Both (A) and (R) are true, but (R) is not the correct explanation. C. (A) is true but (R) is false. D. (A) is false but (R) is true.