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Student Support Forum: 'Sums (e.g. sample variance)' topicStudent Support Forum > General > "Sums (e.g. sample variance)"

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Tariq
 09/23/04 03:48am

I want to differentiate a term including a sample variance of some characteristic x over i = 1...n individuals with respect to indiviudal i's characteristic. How can I enter the sample variance in a convenient way? Thanks!

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