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TWO MEANS 1. 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 those who followed the diet have a lower mean blood pressure than those who did not followed the diet. Followed the diet: n1 =85, = 189.1 $1 = 38.7 Did not follow the diet: n2 = 75, =203.7 s? = 39.2 Hypothesis Ho: Ha: p-value Conclusion