๐Statistics MCQs
Statistics MCQs
490 MCQs351
The normal distribution is_________?
APlatykurtic
BLeptokurtic
CMesoukurtic
DNone of these
352
In normal distribution Q.D. ( quartile deviation)is equal to________?
Aฯ
B0.7979 ฯ
C0.6745 ฯ
DNone of these
353
P95 means _____?
Aand (
Bbut not (
CThe point above below which 95% area lies
DBoth (
354
Total Area under the normal curve is_______________?
AGreater than 1
B1
CNone
DLess than 1 E. 0
355
The lower and upper quartile of standard normal variation are respectively ?
Aยต+0.6745ฯ and ยต-0.6745ฯ
B-0.6745 and 0.6745
C-0.7979 and 0.7979
D-0.7979ฯ and 0.7979ฯ
356
If X N(55,49) then ฯ ?
A7
B55
C104
D49
357
If X ห N (ยต, ฯ2) then Z ห__________?
AN(0, ฯ2)
BN(1, ฯ2)
CN(0, 1)
DN(1, 1)
358
Normal distribution is the distribution of _______________?
ADiscrete r.v.
BContinuous r.v.
CQualitative variable
DQuantitative variable
359
In normal distribution, mean ______= Mode?
AQuartile
BMean deviation
CMedian
DS.
360
Area of normal distribution total is equal to _______?
ATwo
BOne
CFour
DThree