Statistics & Probability Flashcards: Summarizing Categorical Data Two Way Tables

Study Summarizing Categorical Data Two Way Tables in Statistics & Probability with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

State the formula for a marginal relative frequency for row $i$ .

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ANSWER

$\frac{\text{row total } i}{\text{grand total}}$ . Shows what proportion of all data is in that row.

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Practice questions

1 of 33Practice questions for this set

A school recorded whether students prefer watching movies at home or in a theater and whether they have a streaming subscription. The results are shown in the two-way table. What is the conditional relative frequency (as a percent) of students who prefer the theater given that the student does not have a streaming subscription?

	Prefer Home	Prefer Theater	Total
Streaming: Yes	58	22	80
Streaming: No	24	56	80
Total	82	78	160

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