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