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