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
Find the class mark in a grouped frequency table with the class interval 40 - 49
2 / 50
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
3 / 50
3. Evaluate n! + 0! / 2
4 / 50
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
5 / 50
5. If A= {a,b,c,d,e,f, g, h}, the cardinality of the elements is
6 / 50
Any piece(s) of information that represents the qualitative attributes of a variable(s) is called
7 / 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 all the three subjects
8 / 50
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
9 / 50
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}
10 / 50
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
11 / 50
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
12 / 50
12. If sets A={2,5,7,8,9} and B={1,3,5,7}. Then AnB is
13 / 50
De facto is the approach whereby each individual is counted at the place he is found at the time of __exercise
14 / 50
The primary purpose for is to discover, interpret develop methods and systems for the growth of knowledge
15 / 50
The recommend that census should seek Age, Nationality, Sex and Weight is made by
16 / 50
16. Coefficient of variation is equal to
17 / 50
Politics is a Social Science because it uses _tools for analysis
18 / 50
Calculate the standard deviation of the following set of numbers: 148,146,150,154,156,158,160,162,164,166,168,170
19 / 50
19. Another name for Cummulative Frequency Curve
20 / 50
20. The symbol ∑ƒ means
21 / 50
21. The two types of statistics are
22 / 50
A branch of __that deals with analysis and interpretation of numerical data in terms of sample and population is called statistics
23 / 50
The scientific method for collection, summarisation, presentation, analysis and interpretation of data is called
24 / 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 212 only
25 / 50
Experimental Statistics
26 / 50
A branch of _that deals with analysis and interpretations of numerical data in terms of sample and population is called statistics
27 / 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
28 / 50
Lack of _may be one of the limitations of statistics
29 / 50
Write down the sample space for the experiments. Toss a coin 3 times and observe the total number of heads
30 / 50
In a broad sense, _is a diagram that shows relationships between numbers
31 / 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 and POL 202 only
32 / 50
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
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
34 / 50
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
35 / 50
The major challenge against accurate head count apart from funding and logistics is
36 / 50
The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the variance
37 / 50
The scores of 5 students in an examination are 6, 5, 8, 7 and 4. Find the standard deviation
38 / 50
38. How many subsets has a set consisting 4 elements
39 / 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
40 / 50
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
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
42 / 50
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
43 / 50
In how many ways can a family of 9 divide itself into 3 groups so that each group contains 3 persons
44 / 50
44. Mode is the most __in a sample population
45 / 50
Two sets X and Y are said to be _if they have no elements in common
46 / 50
The values of __may be discrete or continuous
47 / 50
One of the attributes of statistical inquires and sampling is that it enable researcher get __easily
48 / 50
Hybrid sampling is a method that combines procedure
49 / 50
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
50 / 50
50. A set without any element is called
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