Frequency Charts & Tally Marks

Front

What is a frequency chart?

Back

A frequency chart is a visual representation that shows how often each category occurs in a set of data.

Front

What are tally marks?

Back

Tally marks are a way to count and record data using lines. Each group of five lines is counted as one group.

Front

What do the categories on a frequency chart represent?

Back

The categories on a frequency chart represent different groups or types of data being compared.

Front

How do you read a frequency chart?

Back

To read a frequency chart, look at the categories and the numbers next to them to see how many times each category occurs.

Front

What is the purpose of using tally marks?

Back

The purpose of using tally marks is to keep track of counts in an organized way, making it easy to see totals.

Front

How can you find the total number of items in a frequency chart?

Back

To find the total number of items, add up all the numbers in the frequency chart.

Front

What is the difference between January and February in a frequency chart?

Back

The difference shows how many more or fewer items (like birthdays) occur in one month compared to the other.

Front

If 4 students have birthdays in February, how many students have birthdays in total if January has 3?

Back

There are 7 students with birthdays in total (4 in February + 3 in January).

Front

What does it mean if a category has the highest number in a frequency chart?

Back

It means that category has the most occurrences compared to the others.

Front

How can you represent data using tally marks?

Back

You can represent data by drawing one line for each item counted, grouping every five lines together for easier counting.