📈Statistics MCQs
Statistics MCQs
490 MCQs31
Correlation coefficient is ___________ with respect to x and y?
A+vely
BNon-normal
CSymmetrical
DSkewed
32
In sampling with replacement be t a sampling unit can selected________________?
AOnly once
BMore than once
CLess than once
DNone
33
In a Poisson probability distribution __________________?
AThe mean and variance of the distribution are same (equal)
BThe probability of success is always greater than 5
CThe number of trials is always less than 5
Dit always contains a contingency table
34
Which of the following is not a correct statement about a Probability _________________?
AIt must have a value between 0 and 1
BIt can be reported as a decimal or a fraction
CA value near 0 means that the event is not likely to occur/happens
DIt is the collection of several experiment
35
The special rule of multiplication of probability, the events must be ______________?
AIndependent
BMutually exclusive
CBayesian
DEmpirical
36
if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?
A4/36
B13/36
C21/36
D15/36
37
. If the occurrence of one event means that another cannot happen, then the events are _______________?
AIndependent
BMutually Exclusive
CBayesian
DEmpirical
38
Standard deviation of the sampling distribution of a statistics is called_____________?
ASerious error
BDispersion
CStandard error
DDifference
39
In probability sampling each sampling unit has some____________________?
AUnknown
BLarge
CSmall
DKnow
40
There are ____________ probability sampling?
AFour
BSix
CThree
DSeven