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