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STAT 245 (10)

# Rev 1A.doc

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School
Department
Statistics
Course
STAT 245
Professor
William Laverty
Semester
Winter

Description
Stats 2453Review 12013Solutions1The Blood Levels mgdl of 50 Subjects selected at random are displayed in the following tableTABLE4923339257655391050427607162240231411061541243480748073915806541692921281520111062067321607902127358244Calculate the mean median and quartiles and construct a boxandwhisker plotSolution50xi5022131i22134426xxi50n1iththMedianobservation in 255 positionaverage of 25 and 26 obs39ththQobservation in 13 position20 Q13 observation from the top5513To construct the boxwhisker plot we need to compute the fences to check for outliersInner FencesIQRQ552035Q31f Q15 IQR325andf Q15 IQR10751 12 3Outer FencesF Q3 IQR5andF Q3 IQR161 12 3Mild outlier141 Extreme outlier233Boxwhisker plot25201510500Page 1
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