Statistics Quiz 14

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**if in a binomial probability distribution mean and variance are 6 and 2.4 respectively, then the parameters of this distribution are:____________________?**

2 / 25

**A discrete probability distribution may be represented by____________?**

3 / 25

**The probability of an event cannot be _____________?**

4 / 25

**The variance of a constant is_______________?**

5 / 25

**The sum of powers of deviation from mean is zero is called __________?**

6 / 25

**The successive trials are with replacement in:________________?**

7 / 25

**If P(A/B)=1/4 and P(A?B) =1/5 then P(B) is ________________?**

8 / 25

**Normal distribution is the distribution of _______________?**

9 / 25

**The sum of square of deviation is least when measured from ____________?**

10 / 25

**__________ is the process of using sample information to reach?**

11 / 25

**In x = 2 _________ 6y the value of y are increasing by one unit then values of x are?**

12 / 25

**In binomial experiment, the experiment is repeated ______________?**

13 / 25

**Which of these represent qualitative data______________?**

14 / 25

**Parameter is a _________ quantity?**

15 / 25

**The standard deviation is always _________ than mean deviation?**

16 / 25

**In a binomial probability distribution it is impossible to find______________?**

17 / 25

**In a symmetrical distribution mean, median and mode, _________________?**

18 / 25

**First movement about mean is always equal to ___________?**

19 / 25

**The Geometric Mean of -2, 4, 03, 6, 0 will be______________?**

20 / 25

**If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?**

21 / 25

**Selection of s by the students to solve a paper is _________________?**

22 / 25

**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 ?**

23 / 25

**Second moment about mean is always equal to _____________?**

24 / 25

**Let X1,X2,??,Xn be a random sample from a density,,,, f(x ? ?) where ? is a value of the random variable ?with known density g?(?) Then the estimator ?(?) with?/ respect to the prior g?(?) is define as______________E[?(?)?X1,X2,?..,Xn] is called?**

25 / 25

**Which of these is a relative measure of dispersion_____________?**

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