POL212

Category: POL212

ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!

POL212

1 / 50

The difference between the largest and smallest scores of ungrouped data
is the

2 / 50

A folder contains 7 blue biros, 6 red biros and 3 black biros without
replacement, find the probability that the three biros are of different colour

3 / 50

The major challenge against accurate head count apart from funding and
logistics is

4 / 50

Politics is a Social Science because it uses
_tools for analysis

5 / 50

Which of the following Set is a infinite Set A = {x : 2 ≤ x ≤ 12, x is an
integer} B = {x: x is real}, C = {x: 3 < x < 6, x is rational number}, D = {x: x is complex number}

6 / 50

In a class of 181 student, 102 offers POL 212, 64 offer BHM 206, 58 offer
POL 202 and all the students take at least one of the subjects. 20 offer
POL 212 and BHM 206, 15 offer POL 212 and POL 202, 18 offer BHM 206
and POL 212. Find how many students offer all the three subjects

7 / 50

7. If sets A={2,5,7,8,9} and B={1,3,5,7}. Then AnB is

8 / 50

8. Find the value of 2! + 5!

9 / 50

Calculate the standard deviation of the following set of numbers:
148,146,150,154,156,158,160,162,164,166,168,170

10 / 50

10.

When a disfunction (OR) connective is used between two statements p, q,
the statement p OR q is only false when

11 / 50

11.

12 / 50

12.

When an experiments are actually carried out under the same condition
through which an outcome is obtained. The probability of such an event is
called

13 / 50

13.

In an objective test marked out of 40, the marks scored by 40 student are
given in this table Marks % 1 - 5 6 - 10 11 - 20 21 - 30 31 - 35 36 - 40.
Calculate the mean, using an assumed mean of 21 No. of Students 2 7 12
8 5 6

14 / 50

14.

In how many ways can a family of 9 divide itself into 3 groups so that each
group contains 3 persons

15 / 50

15.

A statistical experiemnt in which the results of the experiment are not
subject to chance if repeatedly severally under the same condition is called

16 / 50

16. Find the third quartile in the following data set; 22,31,20,24,27,55

17 / 50

17.

The scores of 5 students in an examination are 6, 5, 8, 7 and 4. Find the
standard deviation

18 / 50

18.

p AND q is a compound statement formed from two simple statements p
and q respectively. What is the statement p ^ q

19 / 50

19.

20 / 50

20.

A branch of _that deals with analysis and
interpretations of numerical data in terms of sample and population is
called statistics

21 / 50

21.

An Experiment in which the results are always subject to chances and may
change even if the experiment is repeated under the same condition is
known as

22 / 50

22.

The probability of an event that can be obtained from an already existing
result, from what is likely to happen or from already known information is
termed

23 / 50

23.

In a Political group of 12 members the probability of picking a number from
any one of the six geo-political zones in Nigeria is 2/3. If some members
are to represent the group in a National meeting, find the probability that 8
members are chosen

24 / 50

24.

A ballot box containing 12 male voter's cards and another box containing
100 female voter's cards. Find the number of ways of selecting 5 male
voter's cards

25 / 50

25. Coefficient of variation is equal to

26 / 50

26.

Two sets X and Y are said to be _if they have
no elements in common

27 / 50

27.

In a broad sense, _is a diagram that shows
relationships between numbers

28 / 50

28. A set without any element is called

29 / 50

29.

Experimental
Statistics

30 / 50

30. A pair of dice is tossed. Find the probability of getting a total of 10

31 / 50

31. Some of the functions of statistics in the society may be

32 / 50

32.

An advantage of frequency polygon over histogram is that it is easy to
compare

33 / 50

33.

There are basically two methods for assigning probabilities to events. One
of these methods is

34 / 50

34. In how many ways can the acronyms NOUN be written

35 / 50

35.

The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the
variance

36 / 50

36. If A=46, B=34 and C=40; What angle would represent B on a pie chart

37 / 50

37. How many subsets has a set consisting 4 elements

38 / 50

38.

39 / 50

39.

If A= {a,b,c,d,e,f} and B={c,d,e}, then, it is correct to conclude that B is
A

40 / 50

40.

41 / 50

41.

In a particular week, the number of student that enrols at various school at
the National Open University of Nigeria is as follow; School of education
150; School of Arts and Social Sciences 360; School of Law 220; School of
Science and Technology 250; School of management 600; School of Postgraduate Studies 420. If the information is represented on a pie chart, what
angle will the School of Arts & Social Sciences be represented with

42 / 50

42.

Lack of _may be one of the limitations of
statistics

43 / 50

43.

Given a set of raw data 2, 3, 2, 1, 4, 4, 1, 1, 1, 3, 2, 2, 2, 2, 5, 0, 0, 0, 1. The
date with the highest frequency is

44 / 50

44.

All qualitative variables are measured on
_scale

45 / 50

45.

The primary purpose for is to discover,
interpret develop methods and systems for the growth of knowledge

46 / 50

46.

The cardinality of the union of Sets A, B, C, if A = {2, 3, 5, 7, 11, 13}, B = {0,
1, 9,} and C = {2, 4, 6, 8, 10, 12, 14} is

47 / 50

47.

De facto is the approach whereby each individual is counted at the place
he is found at the time of __exercise

48 / 50

48.

The scientific method for collection, summarisation, presentation, analysis
and interpretation of data is called

49 / 50

49. The two types of statistics are

50 / 50

50.

In a single toss of three fair coins. What is the probability of having exactly
2 tails

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