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