Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A pharmaceutical company claims that their new medication lowers blood pressure. A group of six patients was randomly selected and their systolic blood pressure was
A pharmaceutical company claims that their new medication lowers blood pressure. A group of six patients was randomly selected and their systolic blood pressure was measured before and one hour after they had taken the medication. See the table below. For parts (a)' (b)' (c), round your answers to 2 decimal places. (am=2 J' \\. (b) Fill in the table below. Patient Before After (Bilee _ After d d (d (if 1 127 124 3 V 1 " 1 " 2 122 135 6-13 J 5-15 J 25 J 3 129 136 7 J 5-9 V :f31 V 4 139 126 613 J 611 J 6121 J 5 125 120 5 V 3 " 9 " 6 160 :5\" J 59 J 631 J Total 12"\\ r (c) The standard deviation for the differences is ad At a 3% significance level, test the company's claim. Use the ttest for matched pairs and the formula involving the mean of the differences ,ud, (d) State the null and alternative hypotheses, and identify which one is the claim. Hgipd vV-'O J' H11pd v~/>v~/'0 ' Which one is the claim: H1 0H0 For parts (e), (f) use the correct sign for the t-value and test statistic, and round your answers to 3 decimal places. (e) What is the critical t-value? ' l (f) What is the test statistic? ' ' You MUST answer parts (e), (f) before answering parts (g), (h). (Q) Is the null hypothesis rejected? 0 No 0 Yes (h) Is the claim supported? 0 No, there is not sufficient evidence to suggest that their new medication lowers blood pressure. 0 Yes, there is sufficient evidence to suggest that their new medication lowers blood pressure
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started