1. Requirements Medical researchers once conducted experiments to determine whether Lisinopril is a drug that is effective in lowering systolic blood pressure of patients.
   Patients in a treatment group had their systolic blood pressure measured after being treated with Lisinopril. Under what conditions can the mean systolic blood pressure of this sample be treated as a value that is from a population having a normal distribution?

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To determine whether the mean systolic blood pressure of patients treated with Lisinopril can be treated as a value from a population having a normal ... View the full answer