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A survey of 28 females and 24 males for systolic blood pressure had found the following results: females had x1 = 116.8, s1 = 22.7,
A survey of 28 females and 24 males for systolic blood pressure had found the following results: females had x1 = 116.8, s1 = 22.7, while males had x2 = 121.5, s2 = 19.8 . Perform a hypothesis test to check if there is a difference between men and women in this indicator. Use a significance level of 0.025. A) State null and alternative hypothesis B) Find i) SE ii) test statistic iii) conclusion
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