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