Summarizing Categorical Data: Two-Way Tables
Statistics and Probability · Flashcards
STATISTICS AND PROBABILITY · FLASHCARDS
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QUESTION
State the formula for a conditional relative frequency of column
j
j
j
given row
i
i
i
.
QUESTION
What is the joint relative frequency for a cell with count
n
i
j
n_{ij}
n
ij
and grand total
N
N
N
?
QUESTION
State the formula for a marginal relative frequency for row
i
i
i
.
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ANSWER
row total
i
grand total
\frac{\text{row total } i}{\text{grand total}}
grand total
row total
i
. Shows what proportion of all data is in that row.
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