Reading Graphs and Charts

Front

What is a pie chart?

Back

A pie chart is a circular statistical graphic that is divided into slices to illustrate numerical proportions.

Front

How do you calculate the probability of an event?

Back

Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its simplest form, where the numerator and denominator have no common factors other than 1.

Front

What is the difference between a bar graph and a line graph?

Back

A bar graph uses bars to show quantities, while a line graph uses points connected by lines to show trends over time.

Front

How can you determine which category has the highest value in a bar graph?

Back

You can determine the highest value by comparing the lengths of the bars; the tallest bar represents the highest value.

Front

What is the purpose of a legend in a graph or chart?

Back

A legend explains the symbols, colors, or patterns used in the graph or chart to help the reader understand the data.

Front

How do you find the difference between two values in a bar graph?

Back

To find the difference, subtract the smaller value from the larger value.

Front

What does it mean if a pie chart is divided into equal slices?

Back

If a pie chart is divided into equal slices, it means that each category represents the same proportion of the whole.

Front

How do you read the data from a line graph?

Back

To read a line graph, follow the line to see how the value changes over time or across categories.

Front

What is a frequency table?

Back

A frequency table is a table that displays the number of times each value occurs in a dataset.