The sum of deviations taken from mean is:
AAlways equal to zero
BSome times equal to zero
CNever equal to zero
DNone of the above
AAlways equal to zero
BSome times equal to zero
CNever equal to zero
DNone of the above
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കാൾപെഴ്സൺ സ്ക്യൂനത ഗുണാങ്കം കണ്ടെത്തുക
വിലകൾ | 6 | 12 | 18 | 24 | 30 | 36 | 42 |
f | 4 | 7 | 9 | 18 | 15 | 10 | 3 |