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Statistics (14)
STAT 1770 (14)
Lecture

Sept 16.docx

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Department
Statistics
Course
STAT 1770
Professor
John Sheriff
Semester
Fall

Description
Sept 16, 2013 Chapter 3, Sec 1-4, pages 43-54, 57-66 Graphing Quantitive Data  Histogram o Essentially just graphical display of the (binned) frequency table o Divide the range of data into intervals (bins)  Record the number of observations (count, frequency)  Or the proportion of the total observations (relative frequency) in each interval  Frequency (or relative frequency), determine the height of the rectangles in the histogram o Typical rollercoaster ahs top speed of between 60-70 o Top speeds range between 40-100 mph Distribution of a variable  Graph or frequency t
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