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Answer Key
Grade 8 Math: Two-Way Tables
1.
a table that shows data for two categorical variables
2.
proportions or percents of a category within a row/column/total
3.
30%
4.
the distribution of one variable may differ across levels of the other
5.
grand total
6.
data grouped by labels/categories, not measured on a continuous scale
7.
the count in a specific cell of the table
8.
a row or column total (margin)
9.
12
10.
30/50 = 60%
11.
both equal 50%
12.
if cell patterns within columns differ by row
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