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