A random sample of 76 residents in a small town had a mean annual income of $34,214,
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A random sample of 76 residents in a small town had a mean annual income of $34,214, with a sample standard deviation of $2171. In a neighboring town, a random sample of 88 residents had a mean annual income of $31,671 with a sample standard deviation of $3279. Let ????1 be the population mean annual income in the first town, and let ????2 be the population mean annual income in the neighboring town. Compute a point estimate for the difference ????1 − ????2.
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Related Book For
Elementary Statistics
ISBN: 9781259969454
3rd International Edition
Authors: William Navidi, Barry Monk
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