Statistics Quiz 11
1 / 50
In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?
2 / 50
The mean and variance of binomial distribution are ______________?
3 / 50
Normal distribution is _____ distribution?
4 / 50
The arithmetic mean of 10,8,6,4, and 2 is ______________?
5 / 50
The special rule of multiplication of probability, the events must be ______________?
6 / 50
The shape of normal distribution does depend upon _____ and variance?
7 / 50
Standard normal variable Z is___________?
8 / 50
For +ve and -ve skewed, check the sign of _______?
9 / 50
If all values are same then the measure of dispersion will be?
10 / 50
If a & b are constants, then Var (a + bX) equal to_________________?
11 / 50
If in a binomial distribution n = 1 then E(X) is:____________________?
12 / 50
Which of the following cannot be Ho_________________?
13 / 50
The shape of normal curve depends upon ?
14 / 50
_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
15 / 50
?xy is always equal to_____________?
16 / 50
The Spearman Rank-Correlation test requires that the______________?
17 / 50
Which of the following is not a measure of central tendency ?
18 / 50
A simple aggregate quantity index is used to______________?
19 / 50
Which of the following is not based on all the observations ?
20 / 50
The equation of standard normal distribution is f(z)=________?
21 / 50
When using the sign test, if two scores are tied, then_____________?
22 / 50
When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?
23 / 50
Sample variance S2 is unbiased estimator of population variance 26 because ________________?
24 / 50
. If the occurrence of one event means that another cannot happen, then the events are _______________?
25 / 50
The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?
26 / 50
The possibility of total outcome in a coin equal to _______________?
27 / 50
N ? n/N -1 is called ___________ population?
28 / 50
The measure of Dispersion can never be________________?
29 / 50
_________ statistics deals with collection, presentation and analysis of data?
30 / 50
The headings for various columns are said to be ________________?
31 / 50
The sampling error is the_____________?
32 / 50
Ratio between given year and base year is called __________ in percentage?
33 / 50
Let X1,X2,??,Xn be a random sample from a density,,,, f(x ? ?) where ? is a value of the random variable ?with known density g?(?) Then the estimator ?(?) with?/ respect to the prior g?(?) is define as_________________E[?(?)?X1,X2,?..,Xn] is called?
34 / 50
When ?n? becomes very large, binomial distribution tends to ______________?
35 / 50
Which of the formula is used in chain indices: ________________?
36 / 50
If the standard deviation of a population is 9, the population variance is_____________?
37 / 50
Sample proportion P is __________ estimator?
38 / 50
In constructing a histogram which is to be taken along X-axis__________?
39 / 50
Normal distribution has ___________?
40 / 50
In the plural sense, statistic means____________?
41 / 50
Sum of deviations will be zero if it is taken from_________________?
42 / 50
If Y=-8X ? 5 and SD of X is 3, then SD of Y is______________?
43 / 50
Fisher?s ideal index number is also obtained by _______________?
44 / 50
In normal distribution, mean ______= Mode?
45 / 50
Which of the following test use Rank Sums____________?
46 / 50
Given the N values in a series, the geometric mean is______________?
47 / 50
The mean deviation of the values, 18, 12, 15, is_______________?
48 / 50
Area to the right of (z=0) is the area for ____ values of z?
49 / 50
Average is good if it is easy to ____________?
50 / 50
A experiment repeated number of time one by one is called _________________?
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