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What are the importance of the mean in statistics?
the mean is important in statistics because you will find out your average and can compare that mean to other things..
Why do you use box and whisker plots?
Because you can compare the values easily, for instance, you can compare the highest and lowest value and compare this to the mean, does the highest and lowest value differ greatly from the mean? Then you know the correlation is a bit unpredictable, you can also use this to compare two box plots, putting them together you can see through the median and quartile range the best way to do something, etc.
What is the compare of these number's 92 and 79?
Do you mean the difference? The difference is 13.
What does benchmark fractions mean?
They are fractions which a user is familiar with or comfortable with, and which can be used to compare a given fraction.
What does a pictogram mean?
A pictogram is used to compare data by pictorial images rather than lines on a graph grid
