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Provided below are summary statistics for independent simple random samples from two? normally-distributed populations. Conduct the required...

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Statistics

Provided below are summary statistics for independent simplerandom samples from two? normally-distributed populations. Conductthe required hypothesis test and obtain the specified confidenceinterval.

xbar=12, s1=2.4, n1=20, xbar2=11, s2=7, n2=15

a) Right-tailed test, a=0.05. Find the test statistic. Find thep-value

b) 90% confidence interval. Find the confidence interval

Answer & Explanation Solved by verified expert
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I have used MINITAB softwareHere we assume the    See Answer
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