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