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