Interpret exploratory data analysis plots for various data types (e.g., box, univariate, histograms).

Free CAS MAS-I (Modern Actuarial Statistics I) lesson in Extended Linear Models. 16 min read, ~2,403 words.

Histogram reveals shape, modality, skew, and gaps for numeric data, and bin width controls the story (view at least two widths before declaring unimodal). Box plot flags center (median), spread (IQR ), and outliers beyond or; it is the fastest skewness screen. Right-skewed loss data (median below mean, long upper...

What this lesson covers

• Content
• Example 1
• Example 2
• Common Mistakes
• Check Your Understanding
• Exam Shortcuts

Learning objectives

• C9

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