TWO-WAY TABLES

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. It helps to analyze the relationship between the two variables.

Front

How do you calculate the total number of surveyed individuals from a two-way table?

Back

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

Front

What is relative frequency?

Back

Relative frequency is the ratio of the frequency of a particular category to the total number of observations, often expressed as a percentage.

Front

How do you find the relative frequency of boys who cannot bike to school?

Back

Divide the number of boys who cannot bike to school by the total number of individuals surveyed, then multiply by 100 to get the percentage.

Front

What does it mean if a two-way table shows a high frequency for a particular category?

Back

A high frequency indicates that many individuals fall into that category, suggesting it is a common characteristic among the surveyed population.

Front

How can you determine the most popular choice from a two-way table?

Back

Identify the category with the highest frequency in the table; this represents the most popular choice.

Front

What is the importance of understanding two-way tables in statistics?

Back

Understanding two-way tables helps in analyzing relationships between two variables, making it easier to interpret data and draw conclusions.

Front

If 80% of students maintain an A average in a class of 25, how many do not?

Back

5 students do not have an A average (20% of 25 is 5).

Front

What is the formula to find the percentage of a category in a two-way table?

Back

(Frequency of the category / Total frequency) x 100.

Front

How do you interpret the data in a two-way table?

Back

Look for patterns, relationships, and comparisons between the two categorical variables represented in the table.