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…dual probabilities. When we’re in the ‘or’ scenario we have to add the individual probabilities and subtract the intersection. Mathematically we write this as P(A ∪ B) = P(A) + P(B) - P(A ∩ B). Why do we have to do this you a…

Scatter Plots: Scatter plots should be used to display values for two variables for a set of data. They’re excellent for exploring the relationships between the two sets.

Bar Charts: Bar charts should be used to compare quantitative data from several categories. They can be used to track changes over time as well, but are best used only when those changes are…