Basics of Two-Way Frequency Tables

Basics of Two-Way Frequency Tables

Assessment

Flashcard

Mathematics

8th - 9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a two-way frequency table?

Back

A two-way frequency table is a statistical tool that displays the frequency of different outcomes in two categorical variables, allowing for the analysis of the relationship between them.

2.

FLASHCARD QUESTION

Front

What does the term 'relative frequency' mean?

Back

Relative frequency is the ratio of the number of times an event occurs to the total number of trials or observations, often expressed as a percentage.

3.

FLASHCARD QUESTION

Front

How do you calculate the probability of an event given another event?

Back

To calculate the probability of event A given event B, use the formula P(A|B) = P(A and B) / P(B).

4.

FLASHCARD QUESTION

Front

What is the difference between categorical and quantitative data?

Back

Categorical data represents characteristics or qualities (e.g., hair color, brand names), while quantitative data represents numerical values (e.g., height, weight).

5.

FLASHCARD QUESTION

Front

How can you find the total number of observations in a two-way frequency table?

Back

To find the total number of observations, sum all the frequencies in the table.

6.

FLASHCARD QUESTION

Front

What does it mean if two events are independent?

Back

Two events are independent if the occurrence of one event does not affect the probability of the other event occurring.

7.

FLASHCARD QUESTION

Front

What is the formula for calculating the probability of an event?

Back

The probability of an event A is calculated as P(A) = Number of favorable outcomes / Total number of possible outcomes.

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