Expected Counts in Two-Way Tables
AP Statistics · Flashcards · Application
AP STATISTICS · FLASHCARDS
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QUESTION
What is the expected count for a cell with Row Total = 100, Column Total = 25, Grand Total = 1000?
QUESTION
If a table's row total is 25 and column total is 10 with grand total 100, what is the expected count?
QUESTION
What is the expected count if Row Total = 55, Column Total = 25, and Grand Total = 250?
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ANSWER
Expected Count = 5.5. Calculate:
55
×
25
250
=
1375
250
=
5.5
\frac{55 \times 25}{250} = \frac{1375}{250} = 5.5
250
55
×
25
=
250
1375
=
5.5
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