Both a bar graph and a histogram allow us to easily visualize a data set that would otherwise just look like a bunch of numbers. By using a bar graph or histogram, we can more easily look at data, analyze it, and even come to conclusions and make decisions which why they are so useful! Nothing like a good graph to make cloudy data seem crystal clear!
In this video we will look at the same exact data represented in bar graph form and in histogram form. At a quick glance, what similarities and differences do you notice? Read on for more!
Bar Graph: Simple and to the point, bar graphs measure out the number of times something occurs. Also, note that each bar on the graph has spaces between.
Histogram: Numerical data gets grouped together in something called a frequency table. The data is then graphed based on the number of times something occurs within that interval. Note that each interval is represented with bars without spaces in between them.
In this video:
Intro 0:00
Difference between Bar Graph and Histogram 0:24
Example 1:10
Bar Graph 1:18
Histogram 3:47
Practice Questions 7:54
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