Statistics MCQs

Page No. 10

As the normal distribution is symmetrical, its mean, median and mode are:____________?


aCoincide


bNot equal


cDifferent


dnone


View Answer Coincide

In a standard normal distribution z = 0 corresponds to _____________?


aS.D.


bMean


cM.D.


dQ.D.


View Answer Mean

N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?


a46


b76


c36


d47


View Answer 36

The range of normal distribution lies between _________?


a -∞ to +∞


b0 to ∞


c -∞ to 0


dNone of these


View Answer -∞ to +∞

100% of values lies in the limits are equal to ______________?


a40 and 60


b 20 and 70


c20 and 30


d20 and 80


View Answer 20 and 80

Normal distribution has ___________?


a1 parameter


b 2 parameter


c3 parameter


d4 parameter


View Answer 2 parameter

The shape of normal distribution does depend upon _____ and variance?


ax


bS/σ2


cu


d 2 µ2


View Answer u

P(µ – σ≤x≤µ + σ)=_________?


a.6826


b.6743


c.6745


d.2345


View Answer .6826

For a normal distribution having µ = 241 and σ = 2 P (X≥235) is:_______?


a0.9986


b0.5


c0.475


d0.235


View Answer 0.9986

Normal distribution has ____shaped?


au-shaped


bBell shaped


cT-shaped


dNormal shaped


View Answer Bell shaped

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