MATH 1107 Elementary Statistics

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MATH 1107Elementary Statistics

• Lecture 4
• Visualizations of
• Quantitative Data

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MATH 1107 - Visualization

• As with Categorical Data, it is important to
  understand how to properly develop the displays
  necessary for quantitative data. You should be
  able to use EXCEL to convert quantitative data
  into the following
• histograms
• timeplots (line charts)
• scatterplots (2 variables)

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MATH 1107 - Visualization
Fun in class exercise!
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MATH 1107 - Visualization

• Lets examine a different perspective of the
  Titanic passenger examples in your book

I found discrepancies between the official
Titanic figures and those provided in the book.
In an effort to reduce confusion in class, I have
attempted to recreate the gender/age frequencies
to match with the totals provided in the book.
If you are interested in facts about the
passengers of the Titanic, check out
http//www.historyonthenet.com/Titanic/passengers.
htm.
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MATH 1107 - Visualization

• Converting frequency counts into more meaningful
  and communicative information is an important
  skill. Specifically, you should be able to
  convert this data into the following
• Marginal percentages
• Conditional percentages
• Bar Chart
• Pie Chart
• We will execute these in EXCEL refer to the
  notes on the website.