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