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. 15 min read, ~2,263 words.

Histogram shows shape, modality, skew, and gaps for numeric data; bin width controls the story. Box plot flags center (median), spread (IQR), and outliers (points beyond or ). Right-skewed loss data (median below mean, long upper tail) usually wants a log transform before modeling. Bar plot or frequency table is...

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