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Statistics- Central Tendency
Note- The following videos talk about a software called SPSS. Please ignore that part.
Measures of Central Tendency
A measurement that indicates where the middle of the data/information lies. The most common measures of central tendency are the mean, the median, and the mode.
Percentiles, Quartiles etc
Just like a histograms, a box plot is another way of representing data graphically.
Excel- Calculating Quartiles
Percentiles in Excel
Relational Algebra- Set operators, rename & notation
Excel is a powerful tool which makes data analysis both convenient and fun. Almost all organizations today depend heavily on Excel for their day to day operations and decision making.
Data in Action
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