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

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

2 / 50

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

3 / 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

4 / 50

Any piece(s) of information that represents the qualitative attributes of a
variable(s) is called

5 / 50

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

6 / 50

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

7 / 50

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

8 / 50

9 / 50

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

10 / 50

10.

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

11 / 50

11.

The recommend that census should seek Age, Nationality, Sex and Weight
is made by

12 / 50

12.

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

13 / 50

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

14 / 50

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

15 / 50

15. Another name for Cummulative Frequency Curve

16 / 50

16.

Lack of _may be one of the limitations of
statistics

17 / 50

17. Coefficient of variation is equal to

18 / 50

18.

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

19 / 50

19.

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

20 / 50

20.

All qualitative variables are measured on
_scale

21 / 50

21.

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

22 / 50

22.

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

23 / 50

23.

Politics is a Social Science because it uses
_tools for analysis

24 / 50

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

25 / 50

25.

26 / 50

26.

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

27 / 50

27.

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

28 / 50

28.

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

29 / 50

29.

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

30 / 50

30.

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

31 / 50

31. Mode is the most __in a sample population

32 / 50

32.

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

33 / 50

33.

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

34 / 50

34. A set without any element is called

35 / 50

35.

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

36 / 50

36.

In a social research, the act of reading through books by scholars on the
subject matter is called _review

37 / 50

37.

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

38 / 50

38.

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

39 / 50

39.

40 / 50

40.

Experimental
Statistics

41 / 50

41. The two types of statistics are

42 / 50

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

43 / 50

43. How many subsets has a set consisting 4 elements

44 / 50

44.

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

45 / 50

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

46 / 50

46.

Write down the sample space for the experiments. Toss a coin 3 times and
observe the total number of heads

47 / 50

47.

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

48 / 50

48.

Hybrid sampling is a method that combines
procedure

49 / 50

49.

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

50 / 50

50.

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

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