The information below is based on independent random samples taken from two normally distributed populations having...

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The information below is based on independent random samples taken from two normally distributed populations having equal variances. Based on the sample information, determine the 95% confidence interval estimate for the difference between the two population means. n1 14 x145 n2 13 2 47 The 95% confidence interval is s (μ1-12) s Round to two decimal places as needed)

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Answer 1

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Here we have 41 , s 4- カ2-13 2 47 2 Sz 4 /3 L1-14)3l-3) conf. clenu. Level at 의5% +스 거 14 13 22 + 2. 80

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