POL212

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

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

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

4. The biggest financial in scientific research funding is

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

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

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

Lack of _may be one of the limitations of
statistics

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

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

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

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

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

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

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

The values of __may be discrete or
continuous

17. The two types of statistics are

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

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

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

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

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

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

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

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

All qualitative variables are measured on
_scale

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

Experimental
Statistics

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

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

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

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

33. The symbol ∑ƒ means

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

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

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

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

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

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

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

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

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

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)

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

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

46. A set without any element is called

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}

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

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

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