Statistics Quiz 3
1 / 50
The range of normal distribution lies between _________?
2 / 50
The calculation of mean and variance is based on______________?
3 / 50
In a normal distribution, what is the z score associated with the mode ?
4 / 50
Data which is not arranged in ascending or descending order is called ___________?
5 / 50
Consistency of an estimator can be checked by comparing____________?
6 / 50
Identify the attribute?
7 / 50
For two independent random variables X & Y, Var (x ? y)=___________?
8 / 50
The word statistics is at present used in _______________?
9 / 50
For a symmetrical distribution approximately 68% of the cases are included between _________________?
10 / 50
If in a coin P(H) = 2P(T) then prob. of head is ______________?
11 / 50
The lower and upper quartile of standard normal variation are respectively ?
12 / 50
If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?
13 / 50
Area Under the normal curve on either side of mean is _____________?
14 / 50
In an open end frequency distribution either the _________ class limit?
15 / 50
The level of significance is denoted by _________________?
16 / 50
If any of the value in data set is zero then it is not possible (i.e. impossiblE. to compute_______________?
17 / 50
Probability of occurrence of an event lies between______________?
18 / 50
In statistics, a sample means______________?
19 / 50
We must arrange the data before calculating ______________?
20 / 50
The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?
21 / 50
Every distribution tends to ____ distribution?
22 / 50
The product of first ?n? natural numbers is _____________?
23 / 50
Binomial distribution is used when ___________ is large?
24 / 50
Data must be arranged either in ascending or descending order, if some wants to compute____________?
25 / 50
In correlation, both variables are______________?
26 / 50
__________ of the distribution which is measured relative to the distribution known as Normal?
27 / 50
In a table, foot note and source notes are ___________________?
28 / 50
Binomial word discovered at the end of ________________?
29 / 50
Hypergeometric distribution has parameter:_____________________?
30 / 50
A test is said to be most powerful test of size ?, if_______________?
31 / 50
Which of the following is not a requirement for binomial distribution ?
32 / 50
If n ? 30 and _____ then binomial approaches to normal distribution?
33 / 50
A set of events is said to be independent if probability of head on tossing a coin is _______________?
34 / 50
If E(??)=?, then ?? is said to be_______________?
35 / 50
The process of selecting sample from the population is called_________________?
36 / 50
A ________ is a heading at the top of the table describing its contents?
37 / 50
In moderately skewed distribution if _________________?
38 / 50
In a normal distribution quartile deviation is _______ (S.D.)?
39 / 50
The ratio of a new price to the base year price is called the___________?
40 / 50
The Laspeyres and Paasche index are examples of_________________?
41 / 50
The probability of drawing a diamond card out of 52 cards is ______________?
42 / 50
Convenience sampling is an example of______________?
43 / 50
2nd Quartile = 5th Decile = 50th Percentile = ?
44 / 50
Binomial distribution is negatively skewed when:__________________?
45 / 50
Two event are said to be equally likely is ______________?
46 / 50
Two digit random numbers are ________________?
47 / 50
The mean of a constant ?b? is_________________?
48 / 50
The probability of getting at least one head when two balance coins are tossed once __________________?
49 / 50
Harmonic mean cannot be calculated if any one of the values in the data is _____________?
50 / 50
Normal distribution has ____shaped?
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