Two Way Tables and Relative Frequency

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 analysis of the relationship between them.

Front

What is relative frequency?

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.

Front

How do you calculate relative frequency?

Back

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

Front

What does it mean if the relative frequency of boys who cannot bike to school is 29%?

Back

It means that 29% of the total students who cannot bike to school are boys.

Front

How can you express a percentage as a fraction?

Back

To express a percentage as a fraction, divide the percentage by 100 and simplify if possible.

Front

What is the simplest form of 48% as a fraction?

Back

12/25.

Front

What is the relationship between fractions and decimals?

Back

Fractions can be converted to decimals by dividing the numerator by the denominator.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the percentage of girls with blonde hair if 30% is given?

Back

30% of the total number of girls have blonde hair.

Front

If the forecast calls for rain, what does a 90% relative frequency of actual rain indicate?

Back

It indicates that it rained 90% of the times when rain was forecasted.