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