Assume that a simple random sample has been selected and test the given claim. Use the diastolic blood pressure measurements (in mm Hg) for adult females listed in the accompanying data table and test the claim that the adult female population has a mean diastolic blood pressure level less than 90 mmHg. Suppose a diastolic blood pressure above 90 is considered to be hypertension. Use a 0.10 significance level. Based on the result, can we conclude that none of the adult females in the sample have hypertension?

Identify the value of the test statistic.