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

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

2 / 50

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

3 / 50

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

4 / 50

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

5 / 50

The values of __may be discrete or
continuous

6 / 50

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

7 / 50

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

8 / 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 POL 202 only

9 / 50

9. A set without any element is called

10 / 50

10. Evaluate n! + 0! / 2

11 / 50

11.

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

12 / 50

12.

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

13 / 50

13. Coefficient of variation is equal to

14 / 50

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

15 / 50

15.

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

16 / 50

16.

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

17 / 50

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

18 / 50

18.

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

19 / 50

19.

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

20 / 50

20.

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

21 / 50

21. The symbol ∑ƒ means

22 / 50

22.

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

23 / 50

23. Another name for Cummulative Frequency Curve

24 / 50

24. Mode is the most __in a sample population

25 / 50

25. Find the value of 2! + 5!

26 / 50

26.

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

27 / 50

27.

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

28 / 50

28.

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

29 / 50

29.

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

30 / 50

30. The biggest financial in scientific research funding is

31 / 50

31.

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}

32 / 50

32.

33 / 50

33.

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

34 / 50

34.

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

35 / 50

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

36 / 50

36.

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

37 / 50

37.

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

38 / 50

38.

39 / 50

39.

Lack of _may be one of the limitations of
statistics

40 / 50

40.

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

41 / 50

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

42 / 50

42.

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

43 / 50

43.

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

44 / 50

44.

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

45 / 50

45.

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

46 / 50

46.

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

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.

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

49 / 50

49.

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

50 / 50

50.

Hybrid sampling is a method that combines
procedure

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