Quick Reference Guide
TI-Nspire™ Reference Guide 109
U
V
stat.MedY Median of y
stat.Q
3
Y 3rd Quartile of y
stat.MaxY Maximum of y values
stat.G(x-v)
2
Sum of squares of deviations from the mean of x
stat.G(y-w)
2
Sum of squares of deviations from the mean of y
unitV()
Catalog
 > 
unitV(Vector1) ⇒ vector
Returns either a row- or column-unit vector, depending on the form of 
Vector1.
Vector1 must be either a single-row matrix or a single-column 
matrix.
unLock
Catalog
 > 
unLock Va r1 [, Va r2 ] [, Var 3] ...
unLock 
Va r.
Unlocks the specified variables or variable group. Locked variables 
cannot be modified or deleted.
See Lock, page 57, and getLockInfo(), page 42.
varPop()
Catalog
 > 
varPop(List[, freqList]) ⇒ expression
Returns the population variance of List.
Each freqList element counts the number of consecutive occurrences 
of the corresponding element in List.
Note: List must contain at least two elements. 
If an element in either list is empty (void), that element is ignored, 
and the corresponding element in the other list is also ignored. For 
more information on empty elements, see page 131.
Output variable Description










