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

1. The biggest financial in scientific research funding is

2 / 50

Lack of _may be one of the limitations of
statistics

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 BHM 206 only

4 / 50

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

5 / 50

6 / 50

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

7 / 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

8 / 50

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

9 / 50

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

10 / 50

10.

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

11 / 50

11. Mode is the most __in a sample population

12 / 50

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

13 / 50

13.

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

14 / 50

14.

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

15 / 50

15.

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

16 / 50

16.

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

17 / 50

17. How many subsets has a set consisting 4 elements

18 / 50

18. The symbol ∑ƒ means

19 / 50

19.

20 / 50

20.

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

21 / 50

21.

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

22 / 50

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

23 / 50

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

24 / 50

24.

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

25 / 50

25.

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

26 / 50

26.

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

27 / 50

27.

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

28 / 50

28.

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

29 / 50

29.

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

30 / 50

30.

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

31 / 50

31.

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

32 / 50

32. Evaluate n! + 0! / 2

33 / 50

33.

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

34 / 50

34.

35 / 50

35.

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)

36 / 50

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

37 / 50

37.

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}

38 / 50

38.

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

39 / 50

39.

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

40 / 50

40.

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

41 / 50

41.

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

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42.

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

43 / 50

43.

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

44 / 50

44.

All qualitative variables are measured on
_scale

45 / 50

45. The two types of statistics are

46 / 50

46. A set without any element is called

47 / 50

47.

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

48 / 50

48.

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

49 / 50

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

50 / 50

50.

Hybrid sampling is a method that combines
procedure

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