Pie chart: Good for relative data and comparing.
These thoughts were extracted from Udacity online course and cover topics such as: Visualizing relationships in data, Probability, Estimation, Outliers and Normal Distribution, Inference and Regression.
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The standard score is the signed number of standard deviations by which the value of an observation or data point is above the mean value of what is being observed or measured. Observed values above the mean have positive standard scores, while values below the mean have negative standard scores. z = (x - μ)/σ
Our nation was created in ways that allow human potential to prosper, and it created the greatest nation for people in the history of humanity. Now Obama is dismantling it, because he has no appreciation for our greatness. In fact, he resents it. He blames this country for whatever evils he sees around the world.