An automated air-conditioner is programmed to turn its heating unit on when the temperature falls below 17 and to turn its refrigeration unit on when the temperature exceeds 26. The air- conditioner is designed to operate at temperatures between -10 and +40. Given the above specification,the temperature exceeds 26. The air-conditioner is designed to operate at temperatures between -10 and +40?. Given the above specification, which of the following sets of values shows that the equivalence partition test design technique has been used correctly?
A. -11, -11?, -1, -1?, 18, 18?, 27, 27?, 5151?
B. -11, -11?, -1, -1?, 12, 12?, 18, 18?, 27, 27?, 5151?
C. -11, -11?, 18, 18?, 5151?
D. -1, -1?, 12, 12?, 18, 18?, 27 27?
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