A group of veterinary researchers plan a study to estimate the average number of enteroliths in horses suffering from them The

Question

A group of veterinary researchers plan a study to estimate the average number of enteroliths in horses suffering from them The number of enteroliths is determined by surgery or ultrasound This requires the participation of a radiologist and a surgeon in the study The researchers decide that they should only enroll horses seen at the best veterinary hospital in the country to ensure correct counts Such a hospital will typically see the most severe cases The researchers will enroll the first 20 horses seen beginning on the day the study is funded The researchers will calculate a 95 confidence interval The procedure is not valid because the O A data are counts and therefore not Normally distributed B average number is not an integer and does not reflect any actual observation C sample size is too small for the central limit theorem to apply OD None of the above The procedure is valid

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