Two-way table Flashcard

Front

What is a two-way table?

Back

A two-way table is a statistical table that displays the frequency distribution of variables. It allows for the comparison of two categorical variables.

Front

How do you read a two-way table?

Back

To read a two-way table, locate the row and column that correspond to the categories of interest, and find the intersection to see the frequency count.

Front

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

Back

The cell marked 'a' typically represents the count of individuals who fall into a specific category combination, such as 'walk to school' from one school.

Front

If 19 students from THS walk to school, what number goes in the cell marked 'a'?

Back

19

Front

If 25 students from NHS do not walk to school, what number goes in the cell marked 'b'?

Back

25

Front

What is the purpose of a two-way table in surveys?

Back

The purpose is to organize data to easily compare and analyze the relationship between two categorical variables.

Front

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

Back

Add all the values in the table to find the total number of respondents.

Front

What is the significance of missing values in a two-way table?

Back

Missing values can indicate incomplete data, and they can often be calculated using the totals of the other values.

Front

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

Back

35

Front

In a survey, if 60 people prefer tennis over golf, how can this be represented in a two-way table?

Back

It can be represented in a cell that corresponds to the 'Tennis' column and the 'Preference' row.