Conventional charts are mostly used for displaying rather “static” data from excel sheets – i.e. if you have a table where you have manually entered data and you want to make a chart, go for the conventional excel chart.
One of the best ways to find how your data is behaving is to plot a histogram. Creating histogram is amongst the firs step we take to analyze the data as it outlines how the data is distributed, details about the skew-ness and kurtosis (described later in this section).
Let’s assume you are a math’s teacher interested in finding the average of the math’s score of last five students – he is interested in finding why they are performing poor. How will he proceed?
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