A pharmaceutical company claims that its new drug is effective in reducing blood pressure with a mean reduction of at least 5 mmHg. To test this claim, a random sample of 30 patients is selected and given the medication. The results show an average reduction in blood pressure of 4.7 mmHg with a standard deviation of 1.2 mmHg. Test the company's claim at a 5% significance level.
A pharmaceutical company claims that its new drug is effective in reducing blood pressure with a mean reduction of at least 5 mmHg. To test this claim, a random sample of 30 patients is selected and given the medication. The results show an average reduction in blood pressure of 4.7 mmHg with a standard deviation of 1.2 mmHg. Test the company's claim at a 5% significance level.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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A pharmaceutical company claims that its new drug is effective in reducing blood pressure with a mean reduction of at least 5 mmHg. To test this claim, a random sample of 30 patients is selected and given the medication. The results show an average reduction in blood pressure of 4.7 mmHg with a standard deviation of 1.2 mmHg. Test the company's claim at a 5% significance level.
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