When is it useful to use a bar chart? Or a pie chart? AP Statistics Chapter 1 When is it useful to use a bar chart? Or a pie chart? Answer: Bar charts and pie charts are both used to display categorical data. A pie chart cannot be used unless we have information about all the categories to total 100%. Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.