Statistics Quiz 1
1 / 50
Discrete random variable is real valued function defined on a ___________ sample space?
2 / 50
The sum of squared deviation is least from_________________?
3 / 50
To cut a population into three classes is called_______________?
4 / 50
Quartile Coefficient of skewness lies between______________?
5 / 50
Sum of obsolete deviations from _____ is least?
6 / 50
Each trial in Binomial distribution has:_________________?
7 / 50
The non parametric equivalent of an unpaired samples t-test____________?
8 / 50
Results obtained by counting are_____________?
9 / 50
Successive trials in binomial distribution are:__________________?
10 / 50
The two regression co-efficient always have the __________ sign?
11 / 50
The formula ?pnqn/poqn x100 is used to calculate?
12 / 50
Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?
13 / 50
The values that separate the region of rejection and acceptance region are called _______________?
14 / 50
For a random variable X, E(X) is_______________?
15 / 50
A distribution is called _____ distribution if it has two modes?
16 / 50
A scaling factor is used to_________________?
17 / 50
The mean and the variance are equal in________________?
18 / 50
If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?
19 / 50
Median = Q2 = D5 =_________________?
20 / 50
In perfect association the value of coefficient of association is ______________?
21 / 50
Data in the Population Census Report is____________?
22 / 50
Which of the following is not based upon all the observations _________?
23 / 50
A function probability that a random variable of x has a value less than is called _____________?
24 / 50
Marital status of an individual is the example of___________?
25 / 50
Proportion becomes percentage when multiplied by___________?
26 / 50
A value get which divides a class into two equal parts is called _________________?
27 / 50
______________is based on all observations of data?
28 / 50
An Index Number calculated for more than one items is called ___________?
29 / 50
which is poor measure of dispersion in open-end distribution ________________?
30 / 50
The stub is the containing__________________?
31 / 50
If y= bx + c the range of y is ________?
32 / 50
The maximum of function is at_______________?
33 / 50
A graph consists of _________ lines?
34 / 50
for two estimators T1=t1(X1,X2,?.Xn) and T1=t1(X1,X2,?.Xn) then estimators t1 is defined to be Rt1(?)?Rt2(?) for all ? in ? ?
35 / 50
When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?
36 / 50
The sign test assumes that the_______________?
37 / 50
The index number of base period is always:_______________?
38 / 50
The collection of one or more outcomes from an experiment is called:__________________?
39 / 50
A numerical value calculated from sample is called____________?
40 / 50
If 5 dice are rolled 96 times then N. =___________?
41 / 50
A sample of 92 observations is taken from an infinite population. The sampling distribution of is approximately ?
42 / 50
As the normal distribution is symmetrical, its mean, median and mode are:____________?
43 / 50
In a frequency distribution the last cumulative frequency is 300, Median shall lie in____________?
44 / 50
Standard deviation is always calculated from _____________?
45 / 50
The mean of binomial distribution is:__________________?
46 / 50
The regression co-efficient are _________ origin?
47 / 50
(q + p) has variance is ______________?
48 / 50
A list of sampling _________ is called sampling frame?
49 / 50
Range of 5,5,5,5, is ________________?
50 / 50
The picture cards having in total fifty two cards is equal_________________?
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