Statistics Quiz 9
1 / 50
A list of sample _________ is called sample space?
2 / 50
The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?
3 / 50
If y = bx + a the mean deviation of y is_____________?
4 / 50
The Runs test results in rejecting the null hypothesis of randomness when______________?
5 / 50
Class _________ is the difference between two class limit?
6 / 50
Binomial distribution is symmetrical when P=_________________?
7 / 50
Price in proceeding year used in the method is called __________?
8 / 50
Data which have not been arranged in systematic order is called___________?
9 / 50
The number of accidents in a city during 2012 is____________?
10 / 50
when a three die rolled the sample space consists of _____________?
11 / 50
The first moment about means is always_________________?
12 / 50
In a binomial distribution mean and variance is _________________?
13 / 50
Volume Index in Marshall is ____________?
14 / 50
In binomial distribution the probability of success remains __________ from trial to trial?
15 / 50
The Harmonic Mean of any two numbers is________________?
16 / 50
In hypergeometric distribution, the trial are:_______________?
17 / 50
A source note foot are the _______________?
18 / 50
In a binomial distribution mean and variance is ________________?
19 / 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______________?
20 / 50
Relative measure of skewness was introduced by _____________?
21 / 50
The Normal Curve is asymptotic to the?
22 / 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______________?
23 / 50
A simple aggregate price index_____________?
24 / 50
If E(x) is the expected value of X then E[x ? E(x)]= ___________________?
25 / 50
If x = 3 then value of regression co-efficient of X or Y is ________________?
26 / 50
A sample of 24 observations is taken from a population that has 150 elements. The sampling distribution of is___________?
27 / 50
The frequency distribution mean > Median > Mode is called __________?
28 / 50
The median of normal distribution corresponds to the value of Z equal to_________________?
29 / 50
The graph obtained by joining the mid points of the tops of adjacent rectangles in histogram is called ______________?
30 / 50
A coin is so weighted that P (T) = 2P(H) then P(H) is _______________?
31 / 50
Data being used by an agency which is originally collected by them are _______ data?
32 / 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____________?
33 / 50
The binomial distribution is symmetrical when:______________?
34 / 50
Census reports used as a source of data is____________?
35 / 50
if Var(T2)_______________?
36 / 50
A set of jointly sufficient statistic is defined to be minimal sufficient if and only if_______________?
37 / 50
The experiment is repeated a _____________ number of times?
38 / 50
The mathematical exception of x + y is equal to ________________?
39 / 50
In a certain normal distribution having ? = 35 and variance = 16, then mode will be_______________?
40 / 50
Data arranging into rows and columns are called______________?
41 / 50
Eyes color of employees is the example of____________?
42 / 50
Life of a T.V picture tube is a____________?
43 / 50
Normal Distribution ?
44 / 50
There are ____________ parameter in Binomial distribution?
45 / 50
Which of the following describe the middle part of a group of numbers ?
46 / 50
Median is always central value even if the data is _______?
47 / 50
If bxy = -.8 by x = 1.2 then value of r is ________________?
48 / 50
If any value in the data is zero, then it is not possible to have _______?
49 / 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?
50 / 50
Correlation coefficient lies between__________________?
Provide Your Information
Your score is
The average score is 0%
Restart quiz
