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I need all the work 4. Four individuals with high blood pressure started a special diet, avoiding high-cholesterol foods and taking vitamins. Their systolic blood

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I need all the work

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4. Four individuals with high blood pressure started a special diet, avoiding high-cholesterol foods and taking vitamins. Their systolic blood pressure before and after the diet were as follows: Participant Before After K. J. 128 118 B. M. L. 130 121 J. C. 124 125 O. H. 129 122 Using the .05 level of significance, was there a significant change in blood pressure? Show all five steps of hypothesis testing and explain your answer to someone who has never taken a course in statistics

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