# POL212

## Category:POL212

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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.

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POL212

1 / 50

1.

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

2 / 50

2.

One of the attributes of statistical inquires and sampling is that it enable
researcher get __easily

3 / 50

3.

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

4 / 50

4. Coefficient of variation is equal to

5 / 50

5.

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

6 / 50

6.

Experimental
Statistics

7 / 50

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

8 / 50

8.

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

9 / 50

9.

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

10 / 50

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

11 / 50

11.

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

12 / 50

12.

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

13 / 50

13.

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

14 / 50

14.

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

15 / 50

15.

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

16 / 50

16.

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

17 / 50

17.

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

18 / 50

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

19 / 50

19.

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 206 only

20 / 50

20.

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

21 / 50

21. A set without any element is called

22 / 50

22.

The values of __may be discrete or
continuous

23 / 50

23.

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}

24 / 50

24.

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

25 / 50

25.

A box contains 10 green, 8 yellow and 5 red marbles. If two marbles are
picked at random, what is the probability that one is green and one is red

26 / 50

26.

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

27 / 50

27. The two types of statistics are

28 / 50

28.

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

29 / 50

29.

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

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30.

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

31 / 50

31.

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

32 / 50

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

33 / 50

33.

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

34 / 50

34.

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

35 / 50

35.

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

36 / 50

36. Mode is the most __in a sample population

37 / 50

37.

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

38 / 50

38.

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

39 / 50

39.

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)

40 / 50

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

41 / 50

41.

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

42 / 50

42.

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

43 / 50

43.

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

44 / 50

44.

All qualitative variables are measured on
_scale

45 / 50

45. The biggest financial in scientific research funding is

46 / 50

46.

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

47 / 50

47.

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

48 / 50

48. How many subsets has a set consisting 4 elements

49 / 50

49.

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

50 / 50

50.

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

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