Category Archives: Exploratory Data Analysis (EDA)

A normal bell curve made with humans

A group of students are stacked according to their heights. The result resembles a normal bell curve. Who are the students in the picture? The image is from the statistics and actuarial science department of Simon Fraser University. These students … Continue reading

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Another Look at LA Rainfall

In two previous posts, we examined the annual rainfall data in Los Angeles (see Looking at LA Rainfall Data and LA Rainfall Time Plot). The data we examined in these two post contain 132 years worth of annual rainfall data … Continue reading

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Is College Worth It?

Is college worth it? This was the question posed by the authors of the report called College Majors, Unemployment and Earnings, which was produced recently by The Center on Education and the Workforce. We do not plan on giving an … Continue reading

Posted in Commentary, Descriptive statistics, Exploratory Data Analysis (EDA), Observational Studies, Statistical studies, Statistics | Tagged , , , , | Leave a comment

Cryptography and Presidential Inaugural Speeches

Given a letter in English, how often does it appear in normal usage of the English language? Some letters appear more often than others. For example, the last letter Z is not common. The vowels are very common because they … Continue reading

Posted in Descriptive statistics, Exploratory Data Analysis (EDA), Probability, Statistics, Statistics In Action | Tagged , , , , , | Leave a comment