You take a simple random sample of size 10 from Population1 and a simple random sample of
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You take a simple random sample of size 10 from Population1 and a simple random sample of size 12 from Population 2. The mean of the first sample is 150; the sample standard deviation is 25. The mean of the second sample is 133; the sample standard deviation is 21. Show the 95% confidence interval.
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The mean difference is 150 133 17 The pooled sa...View the full answer
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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