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Given two independent random samples with the following results: n1=13x‾1=180s1=21   n2=9x‾2=163s2=30 Use this data to find the...

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Statistics

Given two independent random samples with the following results:n1=13x‾1=180s1=21   n2=9x‾2=163s2=30 Use this data to find the 99%confidence interval for the true difference between the populationmeans. Assume that the population variances are equal and that thetwo populations are normally distributed.

Step 1 of 3: Find the point estimate that should be used inconstructing the confidence interval.

Step 2 of 3: Find the margin of error to be used in constructingthe confidence interval. Round your answer to six decimalplaces.

Step 3 of 3: Construct the 99%99% confidence interval. Roundyour answers to the nearest whole number.

Answer & Explanation Solved by verified expert
4.1 Ratings (570 Votes)
Given thatFor sample 1 n1 13 x1bar 180 and s1 21For sample 2 n2 9 x2bar 163 and s2 30Assume    See Answer
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