Sampling distribution of the difference in sample means
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SOLVED: point)Two random samples are selected from two independent populations A summary of the sample sizes, sample means, and sample standard deviations is given below:n1 = 20, 11 = 56.8, 81 = 5.6 n2 = 55, 62 = 77.6, 82 = 12.7Find 90% confidence interval for the difference /l1 12 of the means, assuming unequal population variances.P1 F2
SOLVED: point)Two random samples are selected from two ind…
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