Charts/Graphs & Review

Front

What is a chart or graph used for?

Back

Charts and graphs are visual representations of data that help to summarize, analyze, and present information clearly and effectively.

Front

What is the formula to calculate percent decrease?

Back

Percent decrease can be calculated using the formula: ((Original Price - Sale Price) / Original Price) x 100.

Front

How do you interpret a bar graph?

Back

A bar graph displays data with rectangular bars representing different categories, where the length of each bar corresponds to the value it represents.

Front

What does it mean if a vehicle gets less than 17 miles per gallon?

Back

It indicates that the vehicle is less fuel-efficient, consuming more fuel per mile traveled compared to vehicles with higher miles per gallon.

Front

How can you determine the total number of items from a graph?

Back

You can determine the total number of items by summing the values represented in the graph or chart.

Front

What is the significance of the median in a data set?

Back

The median is the middle value in a data set when arranged in ascending order, providing a measure of central tendency that is less affected by outliers.

Front

How do you find the range of a data set?

Back

The range is found by subtracting the smallest value from the largest value in the data set.

Front

What does it mean if 16 students scored 93% or less?

Back

It indicates that 16 students achieved scores that are at or below 93%, reflecting their performance relative to the total number of students.

Front

What is the purpose of a pie chart?

Back

A pie chart is used to show the proportions of a whole, with each slice representing a category's contribution to the total.

Front

How do you calculate the total number of students who sent text messages?

Back

You can calculate the total by adding the number of students in each category of text messages sent.