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

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 BHM and POL 212 only

2 / 50

If the Universal Set U is given by U = {a, b, c, d, e, f, h, h} and the sets A =
{a, b, c}, B = {b, c, d, f, h}, C = {b, c, d, e}; find (AnB)

3 / 50

One of the class interval for a grouped frequency table is 60 - 66, what is
the class boundary for this class

4 / 50

Politics is a Social Science because it uses
_tools for analysis

5 / 50

5. Find the class mark of a population whose class intervals are x1 to x2

6 / 50

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

7 / 50

Five delegates out of 6 women and 7 men are to represent an electoral
body at a National election. In how many ways can the delegates be
selected if it must consist of 2 women and 3 men

8 / 50

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

9 / 50

p <=> q is a statemnent obtaind by using 'if and only if' connective to one
simple statements p and q. When is the resulting statement p <=> q True

10 / 50

10.

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

11 / 50

11.

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

12 / 50

12.

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

13 / 50

13.

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

14 / 50

14.

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

15 / 50

15.

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

16 / 50

16. The biggest financial in scientific research funding is

17 / 50

17.

18 / 50

18.

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}

19 / 50

19.

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

20 / 50

20.

All qualitative variables are measured on
_scale

21 / 50

21.

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

22 / 50

22.

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

23 / 50

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

24 / 50

24.

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

25 / 50

25.

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

26 / 50

26. Another name for Cummulative Frequency Curve

27 / 50

27.

If the probability of a pregnant woman giving birth to a male child is 0.25,
what is the probability that the child will be a girl

28 / 50

28. How many subsets has a set consisting 4 elements

29 / 50

29.

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

30 / 50

30. The two types of statistics are

31 / 50

31. Find the value of 2! + 5!

32 / 50

32.

The values of __may be discrete or
continuous

33 / 50

33.

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

34 / 50

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

35 / 50

35.

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

36 / 50

36.

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

37 / 50

37.

Lack of _may be one of the limitations of
statistics

38 / 50

38.

39 / 50

39.

What is the third quatile of the following set of data 16, 25, 14, 18, 21, 23,
19, 18, 21, 49

40 / 50

40. The symbol ∑ƒ means

41 / 50

41.

Hybrid sampling is a method that combines
procedure

42 / 50

42.

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

43 / 50

43.

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

44 / 50

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

45 / 50

45. A set without any element is called

46 / 50

46.

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

47 / 50

47.

Find the class mark in a grouped frequency table with the class interval 40 -
49

48 / 50

48.

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

49 / 50

49. If A= {a,b,c,d,e,f, g, h}, the cardinality of the elements is

50 / 50

50. Coefficient of variation is equal to

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