Statistics Quiz 7
1 / 50
Random numbers are used for selection of ____________?
2 / 50
Mean is relatively ____ measure?
3 / 50
A fair coin toss the total events in sample space equal_____________?
4 / 50
The shape of the symmetrical distribution is _______?
5 / 50
For a certain distribution if ?(x?2)=18,?(x?24)=0,?(x?28)=?24) then arithmetic mean is_______________?
6 / 50
If u = 5 and S.? D. = 2.5 then Binomial distribution are ________________?
7 / 50
The first and starting point in test Hypothesis is ______________?
8 / 50
The probability function is always______________?
9 / 50
Absolute sum of deviations is minimum from _______________?
10 / 50
In binomial distribution with ________ trials mean is np and variance is npq?
11 / 50
Data which have been arranged in ascending or descending order is called ________ data?
12 / 50
Var(2X+3) is________________?
13 / 50
5C5 is equal to ________________?
14 / 50
For t distribution, increasing the sample size, the affect will be on ?
15 / 50
___________ is a value of sample statistics?
16 / 50
The degree to which numerical data tend to spread about an average value is a________________?
17 / 50
The process of systematic arrangement of data in rows and columns is called ___________________?
18 / 50
In symmetrical distribution, the co-efficient of skewness is equal to ______________?
19 / 50
The grouped data is also called_____________?
20 / 50
The critical value of a test statistic is determined from_____________?
21 / 50
Which of the following cannot be less than zero (negative)?
22 / 50
Usually measurements give rise to ________ data?
23 / 50
Population census is conducted through_______________?
24 / 50
The quartile deviation is ____ (S.D.) is normal dist?
25 / 50
Paasche?s Index number is ______________?
26 / 50
A box containing 12 balls of color 6 red and 6 white. A ball of white selected ball finds the probability of white____________?
27 / 50
Group data formula for mode _______?
28 / 50
The t distribution are_____________?
29 / 50
If P(B/A)= 0.25 and P(A?B) = 0.2 then P(A) will equal to _______________?
30 / 50
In uni-model distribution, if mode is less than mean_______________?
31 / 50
If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?
32 / 50
The time taken by an athlete to run a 400 mile race in SAF games ________________?
33 / 50
G.M. of 2,4,8 is ______?
34 / 50
Which of the following is not based on all the observations ?
35 / 50
The ________ in the distribution around which the observation to lie?
36 / 50
Var (kY)= ____________?
37 / 50
The distribution function F(X) is represent by_______________?
38 / 50
Age of a shopkeeper is the example of___________?
39 / 50
In special rule of addition of probability, the events are Always:_______________?
40 / 50
Statistical Laws are valid in the ________________?
41 / 50
The binomial distribution is positively skewed when:________________?
42 / 50
The object of Index number also determines its _______________?
43 / 50
In descriptive statistics, we study:
44 / 50
In pie-chart, the arrangement of the angles of the different sectors generally ________________?
45 / 50
In a normal distribution E(X-?)2 is________________?
46 / 50
A binomial random variable can assume values from _________ to n?
47 / 50
A continuous random variable which can assume all possible values on scale in a given _______________?
48 / 50
The weights of students in a college/school is a___________?
49 / 50
Hourly temperature recorded by weather bureau is the example of ___________?
50 / 50
If Y=5X + 10 and X is N(10,25), then mean of Y is ?
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