Statistics Quiz 9
1 / 50
Median is always central value even if the data is _______?
2 / 50
If E(x) is the expected value of X then E[x ? E(x)]= ___________________?
3 / 50
A set of jointly sufficient statistic is defined to be minimal sufficient if and only if_______________?
4 / 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____________?
5 / 50
A list of sample _________ is called sample space?
6 / 50
The Runs test results in rejecting the null hypothesis of randomness when______________?
7 / 50
If x = 3 then value of regression co-efficient of X or Y is ________________?
8 / 50
A sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of is___________?
9 / 50
There are ____________ parameter in Binomial distribution?
10 / 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______________?
11 / 50
Correlation coefficient lies between__________________?
12 / 50
In a binomial distribution mean and variance is ________________?
13 / 50
The Harmonic Mean of any two numbers is________________?
14 / 50
In a certain normal distribution having ? = 35 and variance = 16, then mode will be_______________?
15 / 50
Binomial distribution is symmetrical when P=_________________?
16 / 50
Relative measure of skewness was introduced by _____________?
17 / 50
Life of a T.V picture tube is a____________?
18 / 50
A source note foot are the _______________?
19 / 50
Census reports used as a source of data is____________?
20 / 50
The number of accidents in a city during 2012 is____________?
21 / 50
The mathematical exception of x + y is equal to ________________?
22 / 50
The median of normal distribution corresponds to the value of Z equal to_________________?
23 / 50
In hypergeometric distribution, the trial are:_______________?
24 / 50
The first moment about means is always_________________?
25 / 50
Eyes color of employees is the example of____________?
26 / 50
A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
27 / 50
The graph obtained by joining the mid points of the tops of adjacent rectangles in histogram is called ______________?
28 / 50
If y = bx + a the mean deviation of y is_____________?
29 / 50
Volume Index in Marshall is ____________?
30 / 50
Price in proceeding year used in the method is called __________?
31 / 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?
32 / 50
Data which have not been arranged in systematic order is called___________?
33 / 50
The frequency distribution mean > Median > Mode is called __________?
34 / 50
The binomial distribution is symmetrical when:______________?
35 / 50
If bxy = -.8 by x = 1.2 then value of r is ________________?
36 / 50
Data arranging into rows and columns are called______________?
37 / 50
if Var(T2)_______________?
38 / 50
The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?
39 / 50
If any value in the data is zero, then it is not possible to have _______?
40 / 50
Normal Distribution ?
41 / 50
In a binomial distribution mean and variance is _________________?
42 / 50
In binomial distribution the probability of success remains __________ from trial to trial?
43 / 50
Data being used by an agency which is originally collected by them are _______ data?
44 / 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______________?
45 / 50
The experiment is repeated a _____________ number of times?
46 / 50
Which of the following describe the middle part of a group of numbers ?
47 / 50
A simple aggregate price index_____________?
48 / 50
Class _________ is the difference between two class limit?
49 / 50
when a three die rolled the sample space consists of _____________?
50 / 50
The Normal Curve is asymptotic to the?
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