- Section 3.4 Measures of Position andOutliers
You Explain it – Percentiles &Quartiles:
- The 5thpercentile of the weight of males 36 monthsof age is 12.0 kg.
- The 95thpercentile of the length of newborn femalesis 53.8 cm.
One variable that is measured byonline homework systems is the amount of time a student spends onhomework for each section of the text. The following is a summaryof the number of minutes a student spends for each section of thetext for the fall 2014 semester in a college statistics class atUHWO.
Q1 =42Â Â Â Â Â Â Â Â Â Q2 =51.5Â Â Â Â Â Â Â Â Â Q3 =72.5
- Provide an interpretation of these results.
- Determine and interpret the interquartile range.
- Suppose a student spends 2 hours doing homework for a section.Is this an outlier?
- Do you believe that the distribution of time spend doinghomework is skewed or symmetric? Explain your answer.
