Assume that the samples are independent and they have been randomly selected.  Show work.   A researcher wishes to determine whether people with high blood pressure can reduce their blood pressure by following a particular diet.  Use the sample data below to test the claim that the treatment population mean μ1 is smaller than the control population μ2.  test the claim using a significance level of 0.01.           Treatment Group                             Control Group             n1 = 85                                                 n2 = 75           x1¯ = 189.1                                            x2¯ = 203.7           s1 = 38.7                                                s2 =  39.2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
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20.  Assume that the samples are independent and they have been randomly selected.  Show work.

 

A researcher wishes to determine whether people with high blood pressure can reduce their blood pressure by following a particular diet.  Use the sample data below to test the claim that the treatment population mean μ1 is smaller than the control population μ2.  test the claim using a significance level of 0.01.

          Treatment Group                             Control Group 

           n1 = 85                                                 n2 = 75

          x1¯ = 189.1                                            x2¯ = 203.7

          s1 = 38.7                                                s2 =  39.2  

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