Summarize two-category data with two-way tables and interpret joint, marginal, and conditional relative frequencies.
Create a total-relative frequency table from counts
Problem
Create the total-relative-frequency table for these counts: \(a~\text{no}~=~12\), \(a~\text{yes}~=~8\), \(b~\text{no}~=~14\), and \(b~\text{yes}~=~6\).
A total-relative-frequency table puts every cell on one common scale. Find the grand total once, divide each interior count by that same denominator, and verify the finished table by checking that the four cell percentages add to the whole rather than merely summing to one within each row.
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