2nd Bac - Graphical Representation of Data

 https://www.youtube.com/watch?v=rllw15xkmUU&t=141s&ab_channel=DrNic%27sMathsandStats

 Traditional Graphs used to present results

The most common graphs used to expose the results obtained from a market research are pie chart, trend chart and frequency histogram. 

Pie chart

This graph is used to show the participation of the different elements that integrate the behavior of a variable. For example, if it has been known that 56% of the possible consumers are male and the 44% left are female 

Trend/Line chart

The trend chart can help the entrepreneur to visualize the historical behavior of a variable. For example, this graph can be used if the sales of a product are known. The following graph shows the monthly sales of goods and services for a year.


Frequency histogram / Bar graph 

This is a graph of vertical bars in which, the values of the variable are represented over the X axis and the absolute or relative frequencies of the values over the Y axis. The following graph show the consumers preferences for the different types of coffee.




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