Probability Using Two Way Tables

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a two-way table?
Back
A two-way table is a statistical table that displays the frequency distribution of two categorical variables, allowing for the analysis of the relationship between them.
2.
FLASHCARD QUESTION
Front
How do you calculate the percentage from a two-way table?
Back
To calculate the percentage, divide the frequency of the specific category by the total frequency and multiply by 100.
3.
FLASHCARD QUESTION
Front
What does it mean if two variables are independent in a two-way table?
Back
Two variables are independent if the occurrence of one does not affect the occurrence of the other, meaning their joint probability equals the product of their individual probabilities.
4.
FLASHCARD QUESTION
Front
What is the formula for finding the conditional probability using a two-way table?
Back
Conditional probability is found by dividing the frequency of the event of interest by the total frequency of the condition.
5.
FLASHCARD QUESTION
Front
What is the significance of the total row and column in a two-way table?
Back
The total row and column provide the overall counts for each category, which are essential for calculating percentages and understanding the distribution.
6.
FLASHCARD QUESTION
Front
How can you identify trends in data using a two-way table?
Back
Trends can be identified by comparing the frequencies and percentages across different categories to see how they relate to each other.
7.
FLASHCARD QUESTION
Front
What is the role of sample size in interpreting two-way tables?
Back
A larger sample size generally provides more reliable data and allows for better generalization of the results.
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