When these three points are true, pie charts are a compelling choice. People viewing them will understand the data easily. However, if these three points don’t apply to your data, consider a different graph. Pie charts require categorical data. Consequently, bar charts are an excellent alterna...
Let's review these two types of graphs. Bar graphs are graphs that can be used to compare the amounts or frequency of occurrence of different types of data. To read a bar graph, find the spot on the frequency data axis where the bar would meet. A pie chart can also be called a ci...
Most of the year temps are well below zero, so the warming in many parts will have no effect. There is some interesting in on this site ( the first one i ran about Greenland temps http://polarmet.mps.ohio-state.edu/jbox/pubs/Box_2002_Greenland_Temperature_Analysis.pdfdomly selected f...