when to make a line graph? Line graphs show changes of information over a time period. For instance, if the US Dept of Health wanted to look at the obesity rates in the USA every year over the past decade, a line graph would be used. When to make a bar graph? Bar graphs are used when comparing groups of information. For instance, if the US Dept of Health wanted to look at the obesity rates of men to women, a bar graph would be used. What do all graphs need? • Title . X axis label . Y axis label Key (if needed) · Graph #1: The API test score is an important way to measure how successful CA schools are performing. If we examine the API scores over the course of several years, hopefully we will see a positive pattern. Here is the Royal High School data from the years 2007-2012. Year API Score 2007 773 1 2008 Rules to keep in mind • Space out numbers equally • Make gaps between bars equal • Make bars equal in width 778 2009 784 2010 775 2011 787 2012 773

when to make a line graph? Line graphs show changes of information over a time period. For instance, if the US Dept of Health wanted to look at the obesity rates in the USA every year over the past decade, a line graph would be used. When to make a bar graph? Bar graphs are used when comparing groups of information. For instance, if the US Dept of Health wanted to look at the obesity rates of men to women, a bar graph would be used. What do all graphs need? • Title . X axis label . Y axis label Key (if needed) · Graph #1: The API test score is an important way to measure how successful CA schools are performing. If we examine the API scores over the course of several years, hopefully we will see a positive pattern. Here is the Royal High School data from the years 2007-2012. Year API Score 2007 773 1 2008 Rules to keep in mind • Space out numbers equally • Make gaps between bars equal • Make bars equal in width 778 2009 784 2010 775 2011 787 2012 773

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Only data that shows positive trends can be graphed in a scatter diagram. True O False
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