Claim The mean systolic blood pressure of all healthy adults is less than than 121 mm Hg Sample data For 277 healthy adults the

Question

Claim The mean systolic blood pressure of all healthy adults is less than than 121 mm Hg Sample data For 277 healthy adults the mean systolic blood pressure level is 120 72 mm and the standard deviation is 15 17 mm Hg The null and alternative hypotheses are Ho H 121 and H 121 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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