Statistics Quiz 2
1 / 50
In normal distribution Q.? D. ( quartile deviation)is equal to________?
2 / 50
A?B means:_______________?
3 / 50
If p= 0.1 and n = 400 then mean _______________?
4 / 50
In case of symmetrical distribution?
5 / 50
P(? ? ??x?? + ?)=_________?
6 / 50
Most of the recent developments in statistics arose to meet the needs of ____________?
7 / 50
A constant variable can take values______________?
8 / 50
Lack of symmetry is called_______________?
9 / 50
Experiment in which outcomes vary from trial to trial _________________?
10 / 50
The smallest individuals which constitute the entire population are called __________________?
11 / 50
Mean Deviation, Variance and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is_________________?
12 / 50
If x and y are Independent to each other the coefficient of correlation is _____________?
13 / 50
Binomial distribution has _______ parameter?
14 / 50
E(x1 ? x2)= ___________________?
15 / 50
Which one of the following measurement does not divide a set of observations into equal parts ?
16 / 50
Lowest value of variance can be________________?
17 / 50
If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (?) or a club (?)?
18 / 50
An events that contains the finite number point the sample space is called __________________?
19 / 50
A_______ is the specific value of the statistic used to estimate the population parameter?
20 / 50
In a frequency distribution the last cumulative frequency is 500. Q3 must lie in_____________?
21 / 50
In binomial distribution n=6 and p=0.9, then the value of______________?
22 / 50
For making voters lists in Pakistan we need _______________?
23 / 50
The height of a student is 60 inches. This is an example of________________?
24 / 50
In normal distribution Q1=_________?
25 / 50
Statistics Laws are true________________?
26 / 50
If y= ax + b the S.? D. of y is _______________?
27 / 50
Continuous variable can assume __________ value?
28 / 50
Variance remains unchanged by change of________________?
29 / 50
The Wilcoxon, Rank-Sum test used to compares_______________?
30 / 50
In which distribution successive trials are without replacement:____________________?
31 / 50
Which of the following is impossible in sampling ?
32 / 50
The data collected by NADRA to issue National Identity cards are______________?
33 / 50
The median of numbers, 12, 22, 32,__(2n + 1)2 is given by______?
34 / 50
If any value in the data is negative, then it is impossible to calculate _______?
35 / 50
The average monthly production of a factory for the first 8 months is 2,500 units, and for the next 4 months the production was 1,200 units. The average monthly production of the year will be_____________?
36 / 50
The sum of the deviations about the mean is always______________?
37 / 50
The probability of getting exactly three tails when three balanced coins are tossed once _______________?
38 / 50
Quartile deviation is not capable of manipulation______________?
39 / 50
When testing for randomness, we can use_____________?
40 / 50
Which of the following divides a group of data into four subgroups?
41 / 50
_________ is an estimate expressed by a single value?
42 / 50
For discrete random ?X?, the expectation of X i.e., E(x) is equal to:________________?
43 / 50
__________ are said to be exhaustive if they constitute the entire sample space?
44 / 50
A graph of cumulative frequency distribution is called ________________?
45 / 50
Use of Statistics in planning is ____________?
46 / 50
There are ____________ probability sampling?
47 / 50
The algebraic sum of deviations from mean is_____________?
48 / 50
If we reject the null hypothesis, we might be making____________?
49 / 50
The median of the data 2, 4, 10, 8, 6 is _______________?
50 / 50
Sum of dots when two dice are rolled is____________?
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