๐Statistics MCQs
Statistics MCQs
490 MCQs331
In normal distribution u2 = S2 and u4 =___________?
A3S2
B3S
C3S4
D4S2/x
332
The quartile deviation is ____ (S.D.) is normal dist?
A.6734
B.7879
C.6745
D.4567
333
Normal distribution has ______ parameter?
AThree
BTwo
CFour
DOne
334
Normal distribution is a probability distribution of _____ random variable?
AContinuous
BConstant
CDiscrete
DNormal
335
Combine mean calculated by different given mean is ________?
An1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
Bn1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
Cn1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
Dโn1x/x1
336
The median of numbers, 12, 22, 32,__(2n + 1)2 is given by______?
A(n2 + 1)
B(2n + 1)2
C(n + 1)2
D(N โ 1)2
337
A distribution is called _____ distribution if it has two modes?
AUni-modal
BBi-model
CTri-modal
DNone of these
338
If ฮฒ1 = 0 it means the distribution is _______________?
ASymmetrical
B+ vely skewed
C-vely skewed
DNon of these
339
The maximum of function is at_______________?
AX = ฯ2
BX = ยต
CX = ยต + ฯ
DX = 0
340
As the normal distribution is symmetrical, its mean, median and mode are:____________?
ACoincide
BNot equal
CDifferent
DNone of These