Claim: The mean systolic blood pressure of all healthy adults is less than than 122 mm Hg. Sample data: For 292 healthy adults, the mean systolic blood pressure level is 121.44 mm Hg and the standard deviation is 14.95 mm Hg. The null an alternative hypotheses are Ho: u= 122 and H, u< 122. Find the value of the test statistic. The value of the test statistic is. (Round to two decimal places as needed.)

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