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
An advantage of frequency polygon over histogram is that it is easy to compare
2 / 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
3 / 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
4 / 50
4. A set without any element is called
5 / 50
In a social research, the act of reading through books by scholars on the subject matter is called _review
6 / 50
Calculate the standard deviation of the following set of numbers: 148,146,150,154,156,158,160,162,164,166,168,170
7 / 50
7. The symbol ∑ƒ means
8 / 50
8. Find the value of 2! + 5!
9 / 50
In a single toss of three fair coins. What is the probability of having exactly 2 tails
10 / 50
p AND q is a compound statement formed from two simple statements p and q respectively. What is the statement p ^ q
11 / 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
12 / 50
12. If sets A={2,5,7,8,9} and B={1,3,5,7}. Then AnB is
13 / 50
13. Evaluate n! + 0! / 2
14 / 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
15 / 50
When a disfunction (OR) connective is used between two statements p, q, the statement p OR q is only false when
16 / 50
Find the class mark in a grouped frequency table with the class interval 40 - 49
17 / 50
The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the variance
18 / 50
18. Find the class mark of a population whose class intervals are x1 to x2
19 / 50
What is the third quatile of the following set of data 16, 25, 14, 18, 21, 23, 19, 18, 21, 49
20 / 50
The values of __may be discrete or continuous
21 / 50
Write down the sample space for the experiments. Toss a coin 3 times and observe the total number of heads
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
23. If A= {a,b,c,d,e,f, g, h}, the cardinality of the elements is
24 / 50
Experimental Statistics
25 / 50
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 206 and POL 202 only
27 / 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}
28 / 50
De facto is the approach whereby each individual is counted at the place he is found at the time of __exercise
29 / 50
Lack of _may be one of the limitations of statistics
30 / 50
30. A pair of dice is tossed. Find the probability of getting a total of 10
31 / 50
All qualitative variables are measured on _scale
32 / 50
32. Some of the functions of statistics in the society may be
33 / 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
34 / 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
35 / 50
35. Another name for Cummulative Frequency Curve
36 / 50
36. Mode is the most __in a sample population
37 / 50
The primary purpose for is to discover, interpret develop methods and systems for the growth of knowledge
38 / 50
38. Find the third quartile in the following data set; 22,31,20,24,27,55
39 / 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
40 / 50
40. The biggest financial in scientific research funding is
41 / 50
One of the class interval for a grouped frequency table is 60 - 66, what is the class boundary for this class
42 / 50
Politics is a Social Science because it uses _tools for analysis
43 / 50
Hybrid sampling is a method that combines procedure
44 / 50
There are basically two methods for assigning probabilities to events. One of these methods is
45 / 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
46 / 50
In a broad sense, _is a diagram that shows relationships between numbers
47 / 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
48 / 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
49 / 50
A branch of _that deals with analysis and interpretations of numerical data in terms of sample and population is called statistics
50 / 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
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