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People often tell us that we're more than three deviations away from normal. According to the curve, that means we're cooler than 98% of the popula...

Data doesn't do us much good if we can't interpret it. Ever snuck into a CPA's office while he slips out for a coffee break and tried to decipher o...

SAT Math 1.1 Statistics and Probability. In which of the following data sets are the arithmetic mean and the median equal?

SAT Math 5.3 Numbers and Operations

Statistics, Data, and Probability II Drill 4 Problem 2. Based on the graph, which statement is most likely to be supported by the data?

Statistics, Data, and Probability II Drill 6 Problem 4. What conclusion can be drawn from the graph?