Statistics Quiz 10
1 / 50
If (AB) >(A) (B)/n __________ then A and B are?
2 / 50
_________ are the numbers obtained by some random process?
3 / 50
Weighted Index number can be classified into _________ categories?
4 / 50
The sum of squares of deviation is least if measure from__________?
5 / 50
The table representing two attributes is called________________?
6 / 50
The A.M. is greater than mode is equal to ______________?
7 / 50
The basic random numbers are ________________?
8 / 50
Sampling Error decrease by _______ the sample size?
9 / 50
If the smallest observation in a data is decreased, the average which is not affected is______________?
10 / 50
In Normal distribution, the parameter which controls the flatness of the curve is____________?
11 / 50
In inferential statistics, we study____________?
12 / 50
If P(A?B) =1/4 then P(AUB) is ________________?
13 / 50
Cumulative frequency is the frequency _________ than the upper class boundary of a class?
14 / 50
In Chain base method, the base period is ________________?
15 / 50
A frequent distribution in which class interval size is not the same is called frequency distribution with ________class interval size?
16 / 50
x=40 is estimator of _________________?
17 / 50
Find the median of the following dat? A. 160, 180, 200, 280, 300, 320, 400?
18 / 50
Which of the following parameter control the relative flatness of normal distribution?
19 / 50
Correlation coefficient is _________ of origin and unit of measurement?
20 / 50
In grouped data, the range is the difference between ________________?
21 / 50
Shape of normal curve can be related to_______________?
22 / 50
Addition Law of probability for mutually exclusive event is equal _______________?
23 / 50
G.M. between __________ is called to be Fisher?s Index Number?
24 / 50
If a distribution has two modes then this distribution is called______________?
25 / 50
In statistics, conducting a survey means_____________?
26 / 50
Which of the following is not a condition of the binomial distribution ?
27 / 50
In statistics, a sample means__________?
28 / 50
The standard deviation is affected by the value of every____________?
29 / 50
If y = 2 + 6x then value of y intercept is _________________?
30 / 50
The sum of absolute deviations from median is _____?
31 / 50
There are _________ important bases of classification of data?
32 / 50
Arithmetic mean of two positive numbers ?X? and ?Y? is_________________?
33 / 50
Statistics is the backbone of_____________?
34 / 50
Arithmetic Mean is___________affected by extreme values?
35 / 50
What is the probability that a ball drawn at random from a jar ?
36 / 50
Which one is the not measure of dispersion?
37 / 50
If Skewed distribution the three averages mean, median and mode are ________?
38 / 50
Statistic is a numerical quantity, which is calculated from?
39 / 50
In binomial experiment successive trials are ______________?
40 / 50
The most frequent value in data is called ________________?
41 / 50
If two events can both occur at the same time then they are referred as:__________________?
42 / 50
Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?
43 / 50
All experiments have _______ properties in common?
44 / 50
Mean deviation =______ S.D?
45 / 50
If ?A? denotes the males of a town and ?B? denotes the females of that town, then A and B are:___________?
46 / 50
Median is _______ than mean is a positive skewed distribution?
47 / 50
To find the average speed of a journey which is the appropriate measure of central tendency?
48 / 50
If in binomial distribution p ? q, the distribution is:___________________?
49 / 50
Binomial distribution ranges from _______________?
50 / 50
If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?
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