Scientists collect data on the blood cholesterol levels (milligrams per deciliter of blood) of a random sample

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Scientists collect data on the blood cholesterol levels

(milligrams per deciliter of blood) of a random sample of 24 laboratory rats. A 95% confidence interval for the mean blood cholesterol level m is 80.2 to 89.8. Which of the following would cause the most worry about the validity of this interval?

(a) There is a clear outlier in the data.

(b) A stemplot of the data shows a mild right skew.

(c) You do not know the population standard deviation s.

(d) The population distribution is not exactly Normal.

(e) None of these are a problem when using a t interval.

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The Practice Of Statistics

ISBN: 9781464108730

5th Edition

Authors: Daren S. Starnes, Josh Tabor

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Question Posted: Jul 19, 2024 04:04 PM

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Scientists collect data on the blood cholesterol levels (milligrams per deciliter of blood) of a random sample

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The Practice Of Statistics

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