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An article in IEEE International Symposium on Electromagnetic Compatibility (Vol. 2, 2002, pp. 667–670) describes the quantification...

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An article in IEEE International Symposium onElectromagnetic Compatibility (Vol. 2, 2002, pp. 667–670)describes the quantification of the absorption of electromagneticenergy and the resulting thermal effect from cellular phones. Theexperimental results were obtained from in vivo experimentsconducted on rats. The arterial blood pressure values (mmHg) forthe control group (8 rats) during the experiment are X1 = 90,s1 = 5 and for the test group (9 rats)are X2 = 115,s2 = 10.

(a) Is there evidence to support the claim thatthe test group has higher mean blood pressure? Assume that bothpopulations are normally distributed but the variances are notequal. Answer this question by finding the P-value forthis test.

The test group has ( higher OR the same ORsmaller)  mean blood pressure, since P-value (> 0.05 OR < 0.05)

(b) Calculate 95% one sided CI to answer theclaim in (a). Round your answer to 1 decimalplace.

μ1 - μ2 ≤ -------

Answer & Explanation Solved by verified expert
3.8 Ratings (400 Votes)
Part aTo Test H0 1 2H1 1 2Test Statistic t 66259Decision based on P valueP value P t 66259 0Reject null hypothesis if P value level    See Answer
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