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
When a disfunction (OR) connective is used between two statements p, q, the statement p OR q is only false when
2 / 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
3 / 50
3. Mode is the most __in a sample population
4 / 50
Experimental Statistics
5 / 50
5. Coefficient of variation is equal to
6 / 50
6. Evaluate n! + 0! / 2
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 POL 202 only
8 / 50
Lack of _may be one of the limitations of statistics
9 / 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)
10 / 50
In a broad sense, _is a diagram that shows relationships between numbers
11 / 50
Hybrid sampling is a method that combines procedure
12 / 50
12. Another name for Cummulative Frequency Curve
13 / 50
The major challenge against accurate head count apart from funding and logistics is
14 / 50
14. If sets A={2,5,7,8,9} and B={1,3,5,7}. Then AnB is
15 / 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
16 / 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
17 / 50
Calculate the standard deviation of the following set of numbers: 148,146,150,154,156,158,160,162,164,166,168,170
18 / 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
19 / 50
19. Find the third quartile in the following data set; 22,31,20,24,27,55
20 / 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
21 / 50
If A= {a,b,c,d,e,f} and B={c,d,e}, then, it is correct to conclude that B is A
22 / 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
23 / 50
23. Find the value of 2! + 5!
24 / 50
One of the class interval for a grouped frequency table is 60 - 66, what is the class boundary for this class
25 / 50
All qualitative variables are measured on _scale
26 / 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 and POL 212 only
27 / 50
A branch of __that deals with analysis and interpretation of numerical data in terms of sample and population is called statistics
28 / 50
The recommend that census should seek Age, Nationality, Sex and Weight is made by
29 / 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
30 / 50
The scores of 5 students in an examination are 6, 5, 8, 7 and 4. Find the standard deviation
31 / 50
An advantage of frequency polygon over histogram is that it is easy to compare
32 / 50
Find the class mark in a grouped frequency table with the class interval 40 - 49
33 / 50
33. Find the class mark of a population whose class intervals are x1 to x2
34 / 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}
35 / 50
35. A set without any element is called
36 / 50
36. The symbol ∑ƒ means
37 / 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
38 / 50
38. In how many ways can the acronyms NOUN be written
39 / 50
De facto is the approach whereby each individual is counted at the place he is found at the time of __exercise
40 / 50
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
41 / 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
42 / 50
The scientific method for collection, summarisation, presentation, analysis and interpretation of data is called
43 / 50
The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the variance
44 / 50
44. If A=46, B=34 and C=40; What angle would represent B on a pie chart
45 / 50
Any piece(s) of information that represents the qualitative attributes of a variable(s) is called
46 / 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
47 / 50
Write down the sample space for the experiments. Toss a coin 3 times and observe the total number of heads
48 / 50
One of the attributes of statistical inquires and sampling is that it enable researcher get __easily
49 / 50
The difference between the largest and smallest scores of ungrouped data is the
50 / 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
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