20. A random sample of n550 observations from a quantitative population produced x =556.4 and s2 =2.6.
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20. A random sample of n550 observations from a quantitative population produced x =556.4 and s2 =2.6. give the best point estimate for the population mean m and calculate the margin of error.
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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