POL212

Category:POL212

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POL212

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1. The symbol ∑ƒ means

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2. Evaluate n! + 0! / 2

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3.

Lack of _may be one of the limitations of
statistics

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4.

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

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5.

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

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6.

All qualitative variables are measured on
_scale

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7. How many subsets has a set consisting 4 elements

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

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9.

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

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10.

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

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11.

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

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12.

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

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13.

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

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14.

The values of __may be discrete or
continuous

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

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16.

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

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17.

Hybrid sampling is a method that combines
procedure

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18.

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

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19.

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

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

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

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22.

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

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23.

Experimental
Statistics

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24. Another name for Cummulative Frequency Curve

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25.

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

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26.

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

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27.

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

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28.

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

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29.

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

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30.

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

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31.

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 and POL 202 only

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

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33.

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

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34.

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)

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35.

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

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36.

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

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37.

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

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38.

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 212 only

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39.

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

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40.

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

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41.

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

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42. Mode is the most __in a sample population

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43.

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

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44.

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

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45.

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

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46.

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

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47.

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

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48. Find the value of 2! + 5!

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49.

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

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50.

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

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51.

Politics is a Social Science because it uses
_tools for analysis

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52. Coefficient of variation is equal to

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53.

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

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54.

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

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55. The two types of statistics are

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56.

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

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

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58.

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

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59.

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}

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60.

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

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

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62.

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

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63.

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

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

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65.

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

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66. A set without any element is called

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67.

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

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68.

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

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69. The biggest financial in scientific research funding is

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70.

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

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71.

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

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72.

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

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73.

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

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74.

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

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75.

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

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