heteroscedastic

World English Dictionary
heteroscedastic (ˌhɛtərəʊskɪˈdæstɪk) [Click for IPA pronunciation guide]
 
adj
1.  (of several distributions) having different variances
2.  (of a bivariate or multivariate distribution) not having any variable whose variance is the same for all values of the other or others
3.  (of a random variable) having different variances for different values of the others in a multivariate distribution
 
[C20: from hetero- + scedastic, from Greek skedasis a scattering, dispersal]
 
heteroscedasticity
 
n

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00:10
Heteroscedastic is always a great word to know.
So is quincunx. Does it mean:
a gadget; dingus; thingumbob.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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