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For more information, please see full course syllabus of Statistics
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Lecture Comments (4)

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Post by Akash Dugam on March 31 at 02:15:28 AM

how to calculate spread? How is it different than range?

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Post by Brian McKay on June 6, 2014

typo on screen "common problems"
title reads "Histrogram" instead of "Histogram"  no biggie.  great video

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Post by Alex Moon on November 8, 2012

For the second slide, second histogram, he said the center is 0-15. What is the spread?

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Post by James Xie on July 30, 2011

for 2nd slide, would the histogram on the right look any way like right skewed?

Related Articles:

Histograms, Cumulative Frequency Plots

  • Graphs are used to identify a distribution’s center, spread, clusters of data, gaps in the data, and shape.

  • Histograms can be used with frequencies, relative frequencies, and densities.

  • If drawing a histogram by hand, there should be no gaps between the classes unless no observations are in that class.

  • Cumulative frequency plots are always non-increasing.

Histograms, Cumulative Frequency Plots

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Features of Graphical Displays of Distributions 0:07
  • Histogram 3:03
    • Common Programs
  • Example: Histogram 6:14
  • Cumulative Frequency Plot 7:43
  • Example: Cumulative Frequency Plot 8:16