Data on weekday exercise time for 20 males, consistent with summary quantities given in the paper "An Ecological Momentary Assessment of the Physical Activity and Sedentary Behavior Patterns ofUniversity Students,"t are shown below.Male-Weekday43.591.57.50.00.028.5199.557.0142.58.09.036.00.078.034.50.057.0151.58.00.0In USE SALTCalculate the values of the median and interquartile range.medianinterquartile rangeInterpret the values of the median and interquartile range.The median exercise time ofindicates that half of the exercise times were below, and the remaining half were above|. The interquartile range tells us that themiddle fifty percent of exercise times had a range of

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Description: Data on weekday exercise time for 20 males, consistent with summary quantities given in the paper "An Ecological Momentary Assessment of the Physical Activity and Sedentary Behavior Patterns ofUniversity Students,"t are shown below.Male-Weekday43.59

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MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

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Data on weekday exercise time for 20 males, consistent with summary quantities given in the paper "An Ecological Momentary Assessment of the Physical Activity and Sedentary Behavior Patterns of
University Students,"t are shown below.
Male-Weekday
43.5
91.5
7.5
0.0
0.0
28.5
199.5
57.0
142.5
8.0
9.0
36.0
0.0
78.0
34.5
0.0
57.0
151.5
8.0
0.0
In USE SALT
Calculate the values of the median and interquartile range.
median
interquartile range
Interpret the values of the median and interquartile range.
The median exercise time of
indicates that half of the exercise times were below
, and the remaining half were above
|. The interquartile range tells us that the
middle fifty percent of exercise times had a range of

Expert Solution

Step 1

Median=Value of the $\frac{n + 1}{2} t h$ position (when n= number of observation, is odd)

When n is even,

Median= middle most value of the observations

$I nter Quartile Range (IQR) = Q_{3} - Q_{1} Q_{1} = 1^{st} quartile val Q_{3} = 3^{rd} quartile value$

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