MCQs of Statistics – NORMAL DISTRIBUTION

Normal distribution is a probability distribution of _____ random variable.

In a normal distribution quartile deviation is _______ (S.D.)

Normal distribution has ___ parameter.

The _____ order moments about mean are all zero.

The quartile deviation is ____ (S.D.) is normal dist.

If n ≥ 30 and _____ then binomial approaches to normal distribution

In normal distribution u₂ = S² and u₄ =___________

In normal distribution Q1=_________

The equation of standard normal distribution is f(z)=________

Every distribution tends to ____ distribution.

Normal distribution has ____shaped.

Standard normal variable Z is:______

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

Area of normal distribution total is equal to _______

P(µ – σ≤x≤µ + σ)=_________-

In normal distribution, mean ______= Mode.

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

Normal distribution is the distribution of _____

Normal distribution has _____

If X ˜ N (µ, σ²)  then Z ˜__________

100% of values lies in the limits are equal to _______

In a normal distribution, what is the z score associated with the mode?

The range of normal distribution lies between _____

The standardized normal variate z means____ away from the mean.

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

Area to the right of (z=0) is the area for ____ values of z.

In a standard normal distribution z = 0 corresponds to _____

Normal distribution is _____ distribution.

As the normal distribution is symmetrical, its mean, median and mode are:________-

Total area under the normal curve is________

The maximum of function is at_______

For +ve and -ve skewed, check the sign of _______

If β₁ = 0 it means the distribution is _______

In normal distribution β₁ = 0 and β₂ is equal to:_______

In normal distribution Q.D. ( quartile deviation)is equal to:________

If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be:________

P₉₅ means:_____

In a certain normal distribution having µ = 35 and variance = 16, then mode will be:________

The normal distribution is:_________

The value maximum ordinate of a standard normal curve at Z = 0 is:________

The area under the normal distribution curve outside the interval of z=1 and z=3.09 is

The shape of normal curve depends upon

Mean deviation of Normal Distribution is

Which of the following parameter control the relative flatness of
normal distribution

The median of normal distribution corresponds to the value of Z
equal to

Area Under the normal curve on either side of mean is

If X N(55,49) then σ

If Y=5X + 10 and X is N(10,25), then mean of Y is

The lower and upper quartile of standard normal variation are respectively

If X ˜ N(16,49), the mean is

Total Area under the normal curve is

In case of symmetrical distribution

We use normal distribution when “n” is

Normal Distribution

Shape of normal curve can be related to

The Normal Curve is asymptotic to the

In a normal distribution E(X-µ)2 is

In Normal distribution, the parameter which controls the flatness of the curve is