← Applied Mathematics and BiostatisticsBMS 1110 · PracticeLanguage

246-question practice bank

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8 questions match your filters. Answered 0 · correct 0.

Question 1 of 8Section 5.2 · Centre, spread and ratesMedium

A ward reports that its mean systolic blood pressure is 130 mm Hg. Why is that number, on its own, not enough to describe the patients?Because the mean ignores how far individual readings lie from it, so two wards with the same mean can have very different spreads.Because the mean is always the same as the median, so it adds no information at all.Because a mean of 130 mm Hg is impossible in adult patients.Because the mean can only be calculated for populations, never for samples.

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