Two Way Frequency Table Flashcard

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 easy comparison and analysis.

Front

How do you find the total number of participants in a two-way frequency table?

Back

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

Front

What does the cell marked 'a' represent in a two-way frequency table?

Back

The cell marked 'a' represents the frequency count of a specific combination of categories from the two variables being analyzed.

Front

If 19 students from Torrance High School walk to school, how is this represented in a two-way frequency table?

Back

This is represented in the cell corresponding to 'Torrance High School' and 'Walk to School'.

Front

How do you calculate the number of students who do not walk to school?

Back

Subtract the number of students who walk to school from the total number of surveyed students.

Front

What is the significance of the total row and total column in a two-way frequency table?

Back

The total row and total column provide the overall counts for each category, helping to summarize the data.

Front

How can you determine the number of non-smokers from a two-way frequency table?

Back

Add the frequencies of all categories that represent non-smokers.

Front

What is the formula to find the total number of students surveyed?

Back

Total number of students surveyed = Total who walk + Total who do not walk.

Front

If 100 people were surveyed and 65 were non-smokers, how many were smokers?

Back

35 people were smokers (100 - 65 = 35).

Front

What does it mean if a cell in a two-way frequency table is empty?

Back

An empty cell indicates that there were no observations for that specific combination of categories.