2) Representations of Categorical Data Are you a lefty or a righty? Symbols 2-way Table Key: Male = M Female = F Lefty = L Righty = R Sample size = P(L) = P(M) = P(F) = P(L|F) = Is independent from gender? “handedness” P(L|M) = How do you know? In this sample are there equal proportions of males and females who are left handed? Explain. Venn Diagram Tree Diagram Practice Set 54 Name_________________________ 3) Representations of Categorical Data Do you eat breakfast or not? Symbols 2-way Table Key: Male = M Female = F Eats Breakfast = E Eat Breakfast = Doesn’t
2) Representations of Categorical Data Are you a lefty or a righty? Symbols 2-way Table Key: Male = M Female = F Lefty = L Righty = R Sample size = P(L) = P(M) = P(F) = P(L|F) = P(L|M) = In this sample are there equal proportions of males and females who are left handed? Explain. Is “handedness” independent from gender? How do you know? Venn Diagram Tree Diagram Practice Set 54 Name_________________________ 3) Representations of Categorical Data Do you eat breakfast or not? Symbols 2-way Table Key: Male = M Female = F Eats Breakfast = E Doesn’t Eat Breakfast =
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