(Solution) - Refer to Exercise 7 S 2 Construct a 95 confidence interval for -(2025 Original AI-Free Solution)

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Refer to Exercise 7.S.2. Construct a 95% confidence interval for the difference between the population means.
Exercise 7.S.2
To investigate the relationship between intracellular calcium and blood pressure, researchers measured the free calcium concentration in the blood platelets of 38 people with normal blood pressure and 45 people with high blood pressure. The results are given in the table and the distributions are shown in the boxplots. Use the t test to compare the means. Let ? = 0.01 and let HA be non-directional.