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QuizCh2

# QuizCh2 - B 4 pts Compute the mode for the duration of...

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Math 350 – Quiz Chapter 2 – Descriptive Statistics Printed Name: Calculators are allowed on this quiz...neighbors are not ! Show work for credit. 1 The data below are a sample of 25 patients from a larger data set collected on people discharged from a selected Pennsylvania hospital as part of a retrospective chart review of antibiotic usage in hospitals. Duration of Stay 5 10 6 11 5 14 30 11 17 3 9 3 8 Duration of Stay 8 5 5 7 4 3 7 9 11 11 9 4 A 4 pts Compute the mean duration of hospitalization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Unformatted text preview: B 4 pts Compute the mode for the duration of hospitalization. ............................................................................................................................ C 2 pts Suppose the scale for a data set is changed by multiplying each observation by a positive constant. What is the eﬀect on the median? Explain. Dr. Emmert Summer 2011 I of I Points Earned of 10...
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