Statistics Test

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Statistics Quiz

1 / 25

The  mean  median  and  mode  for  binomial distribution  will be equal  when :-

2 / 25

In systematic  sampling  ,  population  is  240  and  selected   sample  size   is  60  then  sampling  interval  is  :-

3 / 25

Arithmetic mean is ________ affected by extreme value:-

4 / 25

Which  measure of   dispersion  is  expressed  in  the  same  units as the units  of  observation;-

5 / 25

The word statistics at present is used in;-

6 / 25

Which  statement   is  not  true  :-

7 / 25

A  graph  of cumulative   frequency   distribution   is  called :-

8 / 25

Normal  distribution  is  the  distribution of :-

9 / 25

A number derived from sample data which describes the data in some useful ways is called:-

10 / 25

Let X be a discrete  random variable with V(X) = 8.6 , then V (3X + 5.6) is:-

11 / 25

Which  distribution  is  continuous  :-

12 / 25

Two dice are rolled. The probability that the sum of the spots on the faces is greater than seven is:-

13 / 25

A variable width histogram is an excellent scheme for showing:-

14 / 25

A  simple   aggregate  price  index   ignores relative  quantities :-

15 / 25

A histogram is _____ if the left half is a mirror image of the right half:-

16 / 25

In hypergeometric   distribution  the  trial  are  :-

17 / 25

The variance and the ______ are both the measures of the extent to which the data in a distribution is spread out:-

18 / 25

First  movement  about mean  is always  equal to ;-

19 / 25

The  standard  deviation  is  independent   of   change  of  scale of  measurement :-

20 / 25

If  y  = bx  + a  the  mean  deviation  of  y  is :-

21 / 25

In a  binomial  probability   distribution  it  is   impossible   to  find   p(x<0):-

22 / 25

Statistical _____ deal with the conclusion about parameter through sample data:-

23 / 25

The  arithmetic  mean   of  all possible  outcomes  is known as ;-

24 / 25

If 5 cards are drawn from a deck, the probability that exactly three clubs will be selected is:-

25 / 25

If mean  median  and  mode  are all  equal   then distribution  will  be :-

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