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