A sample of 114 patients were given a drug to lower cholesterol.
A 95% confidence interval...
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A sample of 114 patients were given a drug to lower cholesterol.A 95% confidence interval for the mean reduction in cholesterol (inmmol/L) was (0.88, 1.02). What was the sample standard deviation ofthe reduction amounts? The standard deviation was ? mmol/L.
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Solution95 confidence interval is given088 102Upper limit 102Lower limit 088Margin of
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