<prompt>  A new test to measure B.P has successive reading of same person as follow: 11070 mmHg, 12880 mmHg, 13270 mmHg, 16090 mmHg. The given test has, when mean B.P 12080mmHg.Low validity, Low reliabilityLow validity, high reliabilityHigh validity, low reliabilityHigh validity, high reliability 