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Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations...

Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given below.
n1= 55, n2= 65, xbar1= 35.5, xbar2= 31.4, s1= 5.7, s2= 3.3
1.) Construct a 95% confidence interval for the difference in the population means (mu1- mu2). (Round your answers to two decimal places)
2.) Find a point estimate for the fifference in the population means.
3.) Calculate a margin of error. (Round your answer to two decimal places)
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Answer #1

65 Ans: n= 55, M2 = 65 x = 35.5 = 31.4, S = 5.7 S₂ = 3.3 .) 954 Gonfidence forderal -(0, -3,2)+7 =(35.5 - 31.4) 1.96 573.3 =

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