Statistics Quiz 5
1 / 50
To purchase the fruit, we use the _________ sampling?
2 / 50
Which of the following can never be taken as coefficient of correlation is _____________?
3 / 50
The first hand and unorganized form of data is called_______________?
4 / 50
Statistics has handicap dealing with_____________?
5 / 50
Let Z1,Z2,?.Zn be independent and identically distributedrandom variable, satisfying E[? Zt ?]
6 / 50
If ?2=m4m22<3, the distribution is called______________?
7 / 50
Data classified by many _______ said to be Quantitative?
8 / 50
The standard deviation of sampling distribution of a statistics is _________________?
9 / 50
If X ? N(16,49), the mean is___________?
10 / 50
The probability of drawing a picture card out of 52 cards is : ______________?
11 / 50
A listing of the possible outcomes of an experiment and their corresponding probability is called:______________?
12 / 50
making a entrance slip in service hospital is the method of collection of data by______________?
13 / 50
Sampling error can reduced by __________________?
14 / 50
Technical & Trade Journals are the source of ___________ data?
15 / 50
_____________is the measure of average which can have more than one value?
16 / 50
If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?
17 / 50
When the two regression lines coincide there r is __________________?
18 / 50
When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________?
19 / 50
A model is linear if it is linear in the dependent variable and also in ______________?
20 / 50
The middle value of an ordered array of numbers is the____________?
21 / 50
Lowest value of variance can be____________?
22 / 50
An Index number which measure the change of a _____ is called Aggregative 1. No?
23 / 50
The probability that the sum is odd if two dice are thrown:_________________?
24 / 50
Quartiles, deciles are located from an ogive in a way________________?
25 / 50
Index Number is an important role in the field of Economic and ________________?
26 / 50
In the binomial experiment, the outcomes of each trial maybe classified into ______________?
27 / 50
Measure the change in quantity of goods are called ________________?
28 / 50
If the third moment about mean is zero then distribution is_______________?
29 / 50
Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________?
30 / 50
Standard deviation is calculated from the Harmonic Mean (HM) ________________?
31 / 50
In descriptive statistics, we study______________?
32 / 50
For Mesokurtic curve of the distribution, ?2 is__________________?
33 / 50
1 ? ? is the probability of_____________?
34 / 50
Arithmetic mean is _________ by change of origin and scale of measurement?
35 / 50
Life of a T.V picture tube is a:___________?
36 / 50
If any of the value in data set is negative then it is impossible to compute:_____________?
37 / 50
Link relative = ________________?
38 / 50
Primary data and _____________ data are same?
39 / 50
Cumulative frequencies are_________________?
40 / 50
The measure of dispersion is changed by a change of_____________?
41 / 50
The Laspeyres price index_____________?
42 / 50
The hypergeometric probability distribution is used rather than the binomial or Poisson when the sampling is performed ?
43 / 50
Third quartile = Q3 = ____________?
44 / 50
For a probability density function (pdf), the probability of a single point is_____________?
45 / 50
Which of the following is not the property of binomial distribution ?
46 / 50
The hypothesis which is being tested is called ___________________?
47 / 50
Class mark is the value which divides a class into ________ equal parts?
48 / 50
The frequent value of the data if it exists is called ________________?
49 / 50
If the events have same chance of occurrence they are called:_______________?
50 / 50
In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________?
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