Two-way Tables and Relative Frequency

Flashcard
•
Mathematics
•
8th Grade
•
Hard
+2
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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 comparison of the relationship between them.
Tags
CCSS.8.SP.A.4
2.
FLASHCARD QUESTION
Front
What does frequency mean in the context of two-way tables?
Back
Frequency refers to the number of times a particular value or category occurs in a dataset.
Tags
CCSS.8.SP.A.4
3.
FLASHCARD QUESTION
Front
How do you calculate relative frequency?
Back
Relative frequency is calculated by dividing the frequency of a specific category by the total number of observations.
Tags
CCSS.8.SP.A.4
4.
FLASHCARD QUESTION
Front
What is the purpose of using two-way tables?
Back
Two-way tables help organize data to analyze the relationship between two categorical variables and to identify patterns or trends.
Tags
CCSS.8.SP.A.4
5.
FLASHCARD QUESTION
Front
What information can you find in the margins of a two-way table?
Back
The margins of a two-way table typically show the totals for each row and column, which can help in calculating overall frequencies and relative frequencies.
Tags
CCSS.8.SP.A.4
6.
FLASHCARD QUESTION
Front
If a two-way table shows that 30 out of 100 surveyed people prefer cats, what is the relative frequency of cat preference?
Back
The relative frequency of cat preference is 0.30 or 30%.
Tags
CCSS.8.SP.A.4
7.
FLASHCARD QUESTION
Front
What does it mean if two variables are independent in a two-way table?
Back
If two variables are independent, the occurrence of one variable does not affect the occurrence of the other variable.
Tags
CCSS.HSS.CP.A.2
CCSS.HSS.CP.A.4
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