Statistics MCQs

Page No. 50

The time taken by an athlete to run a 400 mile race in SAF games ________________?


aContinuous data


bRandom


cDiscrete data


dNon of these


View Answer Continuous data

The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?


a (X – A)2


bE(x)


c(x – u)2


d (x – 4)2


View Answer (x – 4)2

The basic random numbers are ________________?


a 0 and 1


b0,1,2,…………9


c1,2,3….10


d None of these


View Answer 0,1,2,…………9

The mathematical exception of x + y is equal to ________________?


aE(x + 0)


b E(x + x)


c E(x) + E(y)


dE(y)


View Answer E(x + x)

Experiment in which outcomes vary from trial to trial _________________?


aExperiment


bVariable


cRandom experiment


dNon of these


View Answer Variable

Random numbers are used for selection of ____________?


aRandom space


bSpace


cRandom sample


dNon of these


View Answer Random space

A random variable is that whose value is determined by the outcome of _________________?


aTrial


bevent


cExperiment


dRandom experiment


View Answer Random experiment

Random numbers are also called__________________?


aRandom experiment


brandom Errors


cRandom digits


dNone of these


View Answer Random digits

A continuous random variable which can assume all possible values on scale in a given _______________?


aInterval


bPoint


cTime


dSample space


View Answer Interval

Hourly temperature recorded by weather bureau is the example of ___________?


aDiscrete variable


bQualitative variable


cContinuous variable


dNone of these


View Answer Continuous variable

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