Chapter 16 One Variable Statistics

# Chapter 16 One Variable Statistics - Chapter 16 OneVariable...

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Chapter 16: One-Variable Statistics -Statistics are numbers that summarize either the distributions of values on, or  the relationships between, variables -Measures of Central Tendency and Dispersion - central tendency : helps us to identify the most typical value: the one  value or score that best represents the entire set of cases on that variable -represents the “tendencies” within the population, but does not accurately  reflect each individual case - dispersion : tells us whether the variation around the average value  identified is limited, in which case we can have confidence that our  average is a meaningful one, or whether that variation is so great that the  most typical case is not really representative of the population after all -2 reasons why statistics could be meaningless 1) level of sophistication of our statistics may exceed the level of  sophistication of our data

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Chapter 16 One Variable Statistics - Chapter 16 OneVariable...

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