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Mathematics, 10.12.2021 14:00 herchellann302
It is said that the normal mean systolic blood pressure is 120 mm Hg with astandard deviation of 18 mm Hg. A random sample of 40 persons were taken andwas observed to have a mean systolic blood pressure of 135 mm Hg. Can weconclude that the sys-tolic blood pressure of the sample is higher than that of thepopulation at 5% level of significance?
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