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
Write down the sample space for the experiments. Toss a coin 3 times and observe the total number of heads
2 / 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)
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 and POL 212 only
4 / 50
4. Another name for Cummulative Frequency Curve
5 / 50
Any piece(s) of information that represents the qualitative attributes of a variable(s) is called
6 / 50
An advantage of frequency polygon over histogram is that it is easy to compare
7 / 50
7. Some of the functions of statistics in the society may be
8 / 50
8. If A= {a,b,c,d,e,f, g, h}, the cardinality of the elements is
9 / 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
10 / 50
There are basically two methods for assigning probabilities to events. One of these methods is
11 / 50
11. If sets A={2,5,7,8,9} and B={1,3,5,7}. Then AnB is
12 / 50
12. In how many ways can the acronyms NOUN be written
13 / 50
13. How many subsets has a set consisting 4 elements
14 / 50
The difference between the largest and smallest scores of ungrouped data is the
15 / 50
One of the attributes of statistical inquires and sampling is that it enable researcher get __easily
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
p AND q is a compound statement formed from two simple statements p and q respectively. What is the statement p ^ q
18 / 50
One of the class interval for a grouped frequency table is 60 - 66, what is the class boundary for this class
19 / 50
When a disfunction (OR) connective is used between two statements p, q, the statement p OR q is only false when
20 / 50
In a social research, the act of reading through books by scholars on the subject matter is called _review
21 / 50
The primary purpose for is to discover, interpret develop methods and systems for the growth of knowledge
22 / 50
In a single toss of three fair coins. What is the probability of having exactly 2 tails
23 / 50
The values of __may be discrete or continuous
24 / 50
24. If A=46, B=34 and C=40; What angle would represent B on a pie chart
25 / 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
26 / 50
Hybrid sampling is a method that combines procedure
27 / 50
27. A set without any element is called
28 / 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
29 / 50
If A= {a,b,c,d,e,f} and B={c,d,e}, then, it is correct to conclude that B is A
30 / 50
Lack of _may be one of the limitations of statistics
31 / 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
32 / 50
Two sets X and Y are said to be _if they have no elements in common
33 / 50
Calculate the standard deviation of the following set of numbers: 148,146,150,154,156,158,160,162,164,166,168,170
34 / 50
Experimental Statistics
35 / 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
36 / 50
All qualitative variables are measured on _scale
37 / 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
38 / 50
38. Find the third quartile in the following data set; 22,31,20,24,27,55
39 / 50
What is the third quatile of the following set of data 16, 25, 14, 18, 21, 23, 19, 18, 21, 49
40 / 50
40. A pair of dice is tossed. Find the probability of getting a total of 10
41 / 50
41. Mode is the most __in a sample population
42 / 50
42. Coefficient of variation is equal to
43 / 50
The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the variance
44 / 50
The scores of 5 students in an examination are 6, 5, 8, 7 and 4. Find the standard deviation
45 / 50
45. Find the class mark of a population whose class intervals are x1 to x2
46 / 50
47 / 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
48 / 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
49 / 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
50 / 50
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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