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