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

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

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

5. The symbol ∑ƒ means

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 BHM 206 only

7 / 50

7. The biggest financial in scientific research funding is

8 / 50

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

9 / 50

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

10 / 50

10.

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

11 / 50

11.

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

12 / 50

12.

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

13 / 50

13.

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

14 / 50

14.

15 / 50

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

16 / 50

16. Another name for Cummulative Frequency Curve

17 / 50

17.

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

18 / 50

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

19 / 50

19.

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

20 / 50

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

21 / 50

21.

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

22 / 50

22.

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

23 / 50

23.

24 / 50

24.

Experimental
Statistics

25 / 50

25.

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

26 / 50

26. Find the value of 2! + 5!

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.

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

29 / 50

29.

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}

30 / 50

30. The two types of statistics are

31 / 50

31.

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

32 / 50

32.

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)

33 / 50

33.

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

34 / 50

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

35 / 50

35.

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

36 / 50

36.

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

37 / 50

37.

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

38 / 50

38.

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

39 / 50

39.

The values of __may be discrete or
continuous

40 / 50

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

41 / 50

41.

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

42 / 50

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

43 / 50

43. Coefficient of variation is equal to

44 / 50

44.

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

45 / 50

45.

Politics is a Social Science because it uses
_tools for analysis

46 / 50

46.

47 / 50

47.

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

48 / 50

48.

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

49 / 50

49. Evaluate n! + 0! / 2

50 / 50

50. A set without any element is called

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