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Grade 8 Math: Two-Way Tables
Name
Date
1.
What is a two-way table?
2.
In a two-way table, what do relative frequencies show?
3.
If 12 of 40 surveyed prefer soccer, what is that relative frequency as a percent?
4.
What does an association between categories suggest?
5.
Row totals and column totals in a completed table should match the:
6.
Categorical data is best described as:
7.
Joint frequency means:
8.
Marginal frequency means:
9.
Build cells: 50 students; sports yes/no × band yes/no. Sports&band=12, sports only=18, band only=8. Find neither.
10.
From that table, relative frequency of sports among all students?
11.
Explain why 20/40 and 5/10 are the same relative frequency.
12.
Given column totals equal, when might association still exist?
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