SeQuix, which is used for treating kidney disease has been found to have the fol

Question

SeQuix, which is used for treating kidney disease has been found to have the following side effects in systolic blood pressure in patients: 20 % have at least a 5 % increase, 10 % have less than a 5 % change, and 70 % have at least a 5 % decrease. A new drug for treating kidney disease is being tested. A study of 240 patients using the new drug is conducted. Can it be concluded that there is a difference in systolic blood pressure side effects between SeQuix and the new drug? Side effect at least 5 % increase less than 5 % change at least 5 % decrease Number of Patients 46 ! 139 Copy Data Step 6 of 10: Find the value of the test statistic. Round your answer to three decimal places Answer(How to Enter) 2 Points Keypad E Tables

Explanation / Answer

applying chi square goodness of fit on above data:

from abvoe chi square test statistic =26.193

observed Expected Chi square category Probability O E=total*p =(O-E)^2/E at least 5% increase 0.200 55.000 48.00 1.02 less than 5% change 0.100 46.000 24.00 20.17 at least 5% decrease 0.700 139.000 168.00 5.01 1 240 240 26.193

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