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a Graphical Browser already

One piece of advice I give to everyone, everytime they have data is to look at it first. Statistical tests are completely useless if your data is entered incorrectly. Once you are satisfied that the data has been entered correctly, you should proceed to look at descriptive statistics, graphs, etc.

Take a look at the actual data:

Look at Measures of Central Tendency and Graphs: The measures of central tendency give summary information about each variable.

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