On a standard x-y graph, which axis runs horizontally?
AnswerThe x-axis
The x-axis is horizontal and the y-axis is vertical.
Science · Facts & stats
Graph facts & stats
7 fact-checked facts about graphs, charts and data visualization, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which chart is a circle split into slices showing parts of a whole?
AnswerPie chart
Each slice of a pie chart shows a share of the total.
Going deeper
What does a scatter plot mainly show?
AnswerThe relationship between two numeric variables
Each dot places one observation by two values, revealing correlation.
In the line equation y = mx + b, what does m represent?
AnswerThe slope
m is the slope, the rise over run of the line.
What sets a histogram apart from an ordinary bar chart?
AnswerIt groups continuous data into ranges
Histogram bars cover numeric ranges (bins), so they usually touch.
Expert level
In graph theory, what is a connection between two vertices called?
AnswerAn edge
Graphs are made of vertices (nodes) joined by edges.
Euler's 1736 bridge problem, which founded graph theory, was set in which city?
AnswerKönigsberg
The Seven Bridges of Königsberg problem launched graph theory.
Know these cold?Today's round is five questions like these, 20 seconds each. Your streak and level follow you to every arena.Play today's round