Question

Data on weekday exercise time for 20 males, cons stent with summary quantities given in the paper "An Ecological Momentary Assesment of the Phical Activity and Sedentary Behavior Patterns of University Students are shown below. Male---Weekday 43.5 91.5 7.5 0.0 0.0 28.5 1995 57.0 9.0 36.0 0.0 78.0 345 0.0 52.0 151.5 8.0 Calculate the values of the median and interquartile range, median 31.5 Interuartie range 637 Interpret the values of the median and Intercontile range The interquart le range The median exercise time of indicates that half of the exercise times were below tells us that the most percent of exercise times had a range of

Answer 1

Solestiem; from the given data 0.0.0.0, 0.0, 0:0,00 ,7.5,80,80,900,28-3, 34:3, 360, 43.5.5 7.6,510,780, 9115,142,5,187 $,199.5 median = 28.5+3003 median = 31,5 G, 2 € 7540.0 @ 23.75 Q₂ = 57.0+7810 2 2 195 Q; ; 67.5 Ju derguartile songe - - Qq = 67.5 - 3,95 -63.757 ne median Crorlise time 315 indicates that

half at the exercise times wore below 365 and the @ remaining half were above 315 The Interquartile range tells us that the middle fifty percent at exercise times had a range al 63.75.