A new test to measure B.P has successive reading of same person as follow: 110/70 mmHg, 128/80 mmHg, 132/70 mmHg, 160/90 mmHg. The given test has, when mean B.P =120/80mmHg.: (A) Low validity, Low reliability, (B) Low validity, high reliability, (C) High validity, low reliability, (D) High validity, high reliability
Answer is A. None