Frequency Tables + Bar Graphs + Line Plots

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars to show the quantity of different categories.

Front

What is a line plot?

Back

A line plot is a number line that shows the frequency of data points by placing an 'X' above each value.

Front

How do you find the highest number in a set of data?

Back

Look for the largest value in the data set.

Front

What does it mean to compare two groups in data?

Back

It means to look at the differences or similarities between the two groups.

Front

How can you tell how many more items one group has than another?

Back

Subtract the smaller group's total from the larger group's total.

Front

What is the purpose of using graphs in data representation?

Back

Graphs help to visualize data, making it easier to understand and compare.

Front

How do you read a bar graph?

Back

Look at the height of the bars to see how many items each category has.

Front

What does a line plot show?

Back

A line plot shows how many times each value appears in a data set.

Front

What is the total number of items sold if a bar graph shows 10 bikes, 15 helmets, and 5 locks?

Back

The total is 10 + 15 + 5 = 30 items.