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# Statistics Quiz 3

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Statistics Quiz 3

1 / 50

The process of selecting sample from the population is called_________________?

2 / 50

In a normal distribution quartile deviation is _______ (S.D.)?

3 / 50

In correlation, both variables are______________?

4 / 50

A ________ is a heading at the top of the table describing its contents?

5 / 50

If E(??)=?, then ?? is said to be_______________?

6 / 50

The calculation of mean and variance is based on______________?

7 / 50

Identify the attribute?

8 / 50

The probability of drawing a diamond card out of 52 cards is ______________?

9 / 50

The product of first ?n? natural numbers is _____________?

10 / 50

In a normal distribution, what is the z score associated with the mode ?

11 / 50

The Laspeyres and Paasche index are examples of_________________?

12 / 50

In a table, foot note and source notes are ___________________?

13 / 50

The ratio of a new price to the base year price is called the___________?

14 / 50

A set of events is said to be independent if probability of head on tossing a coin is _______________?

15 / 50

The level of significance is denoted by _________________?

16 / 50

Which of the following is not a requirement for binomial distribution ?

17 / 50

Data must be arranged either in ascending or descending order, if some wants to compute____________?

18 / 50

In statistics, a sample means______________?

19 / 50

For a symmetrical distribution approximately 68% of the cases are included between _________________?

20 / 50

If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?

21 / 50

Area Under the normal curve on either side of mean is _____________?

22 / 50

Data which is not arranged in ascending or descending order is called ___________?

23 / 50

The mean of a constant ?b? is_________________?

24 / 50

For two independent random variables X & Y, Var (x ? y)=___________?

25 / 50

Binomial distribution is negatively skewed when:__________________?

26 / 50

__________ of the distribution which is measured relative to the distribution known as Normal?

27 / 50

A test is said to be most powerful test of size ?, if_______________?

28 / 50

In moderately skewed distribution if _________________?

29 / 50

If in a coin P(H) = 2P(T) then prob. of head is ______________?

30 / 50

Binomial distribution is used when ___________ is large?

31 / 50

Probability of occurrence of an event lies between______________?

32 / 50

Convenience sampling is an example of______________?

33 / 50

If n ? 30 and _____ then binomial approaches to normal distribution?

34 / 50

Consistency of an estimator can be checked by comparing____________?

35 / 50

In an open end frequency distribution either the _________ class limit?

36 / 50

Every distribution tends to ____ distribution?

37 / 50

The range of normal distribution lies between _________?

38 / 50

Normal distribution has ____shaped?

39 / 50

Harmonic mean cannot be calculated if any one of the values in the data is _____________?

40 / 50

We must arrange the data before calculating ______________?

41 / 50

The lower and upper quartile of standard normal variation are respectively ?

42 / 50

The word statistics is at present used in _______________?

43 / 50

2nd Quartile = 5th Decile = 50th Percentile = ?

44 / 50

Two event are said to be equally likely is ______________?

45 / 50

If any of the value in data set is zero then it is not possible (i.e. impossiblE. to compute_______________?

46 / 50

Two digit random numbers are ________________?

47 / 50

The probability of getting at least one head when two balance coins are tossed once __________________?

48 / 50

The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?

49 / 50

Binomial word discovered at the end of ________________?

50 / 50

Hypergeometric distribution has parameter:_____________________?