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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 m1 is smaller than the control population mean m2. Test the claim using a significance level of 1%
Treatment Group Control Group
n = 85 n = 75
Mean = 189.1 Mean = 203.7
Standard Deviation = 38.7 Standard Deviation = 39.2
Treatment Group Control Group
n = 85 n = 75
Mean = 189.1 Mean = 203.7
Standard Deviation = 38.7 Standard Deviation = 39.2