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