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# Statistics Quiz 9

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Statistics Quiz 9

1 / 50

Correlation coefficient lies between__________________?

2 / 50

A set of jointly sufficient statistic is defined to be minimal sufficient if and only if_______________?

3 / 50

Data arranging into rows and columns are called______________?

4 / 50

Volume Index in Marshall is ____________?

5 / 50

The frequency distribution mean > Median > Mode is called __________?

6 / 50

Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?

7 / 50

A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?

8 / 50

In a certain normal distribution having ? = 35 and variance = 16, then mode will be_______________?

9 / 50

if Var(T2)_______________?

10 / 50

If x = 3 then value of regression co-efficient of X or Y is ________________?

11 / 50

Eyes color of employees is the example of____________?

12 / 50

A sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of is___________?

13 / 50

Census reports used as a source of data is____________?

14 / 50

Which of the following describe the middle part of a group of numbers ?

15 / 50

The binomial distribution is symmetrical when:______________?

16 / 50

The Normal Curve is asymptotic to the?

17 / 50

In a binomial distribution mean and variance is ________________?

18 / 50

In hypergeometric distribution, the trial are:_______________?

19 / 50

You asked five of your classmates about their height. On the basis of this information, you states the average height of all student in your university or college is 67 inches. This is an example of____________?

20 / 50

If the conditional distribution of X1,X2,?..Xn given S=s, does not depends on ?, for any value of S=s the statistics S=s(X1,X2,?..Xn) is called______________?

21 / 50

Class _________ is the difference between two class limit?

22 / 50

A simple aggregate price index_____________?

23 / 50

Binomial distribution is symmetrical when P=_________________?

24 / 50

If any value in the data is zero, then it is not possible to have _______?

25 / 50

Let X1,X2,?Xn be a random sample from the density f(x;(?), where ? may be vector. If the conditional distribution of X1,X2,?Xn given S=s does not depend on ? for any value of s of S, then statistic is called?

26 / 50

Data which have not been arranged in systematic order is called___________?

27 / 50

If y = bx + a the mean deviation of y is_____________?

28 / 50

The Harmonic Mean of any two numbers is________________?

29 / 50

If bxy = -.8 by x = 1.2 then value of r is ________________?

30 / 50

The graph obtained by joining the mid points of the tops of adjacent rectangles in histogram is called ______________?

31 / 50

A list of sample _________ is called sample space?

32 / 50

Price in proceeding year used in the method is called __________?

33 / 50

The experiment is repeated a _____________ number of times?

34 / 50

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

35 / 50

There are ____________ parameter in Binomial distribution?

36 / 50

Relative measure of skewness was introduced by _____________?

37 / 50

Normal Distribution ?

38 / 50

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

39 / 50

The first moment about means is always_________________?

40 / 50

If E(x) is the expected value of X then E[x ? E(x)]= ___________________?

41 / 50

Data being used by an agency which is originally collected by them are _______ data?

42 / 50

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

43 / 50

Life of a T.V picture tube is a____________?

44 / 50

In a binomial distribution mean and variance is _________________?

45 / 50

A source note foot are the _______________?

46 / 50

In binomial distribution the probability of success remains __________ from trial to trial?

47 / 50

Median is always central value even if the data is _______?

48 / 50

The number of accidents in a city during 2012 is____________?

49 / 50

when a three die rolled the sample space consists of _____________?

50 / 50

The Runs test results in rejecting the null hypothesis of randomness when______________?