INTRO

Question 1

Statistics comes from the Latin word “_______”
which means “______”

Answer 1

1.) STATUS

2.) STATE

Question 2

a collection of quantitative data

Answer 2

STATISTICS

Question 3

STATISTICS is a science, which deals with the….

Answer 3

1.) COLLECTION
2.) PRESENTATION
3.) ANALYSIS
4,) INTERPRETATION

Question 4

A tool that helps us develop
general and meaningful conclusions that go
beyond the original data.

Answer 4

STATISTICS

Question 5

• deals with the methods of ORGANIZING,
  SUMMARZING and PRESENTING a mass of data
  so as to yield meaningful information.
• can be verified from the
  given data.

EX:
Given data:

Of 350 randomly selected people in the town
of Luserna, Italy, 280 people had the last
name Nicolussi.

 Example of:
80% of these people have the last name
Nicolussi

Answer 5

DESCRIPTIVE STATISTICS

Question 6

deals with making GENERALIZATIONS
about a body of data where only a part of it is
examined.

This comprises those methods
concerned with the analysis of a subject of
data leading to PREDICTIONS or
INFERENCES about the entire set of data.

Answer 6

INFERENTIAL STATISTICS

Question 7

the set of all individuals or entities under consideration or study.

It may be a finite or infinite collection of
objects, events, or individuals, with specified
class or characteristics under consideration.

Answer 7

POPULATION

Question 8

a characteristic of interest measurable on each and every individual in the universe, denoted by any capital letter in
the English alphabet

Answer 8

VARIABLE

Question 9

consists of categories or attributes, which have NON numerical characteristics.

Ex: Year level of students, gender, subjects
enrolled in this semester, diseased versus
healthy, mutant versus wild type

Answer 9

QUALITATIVE VARIABLE

Question 10

Consists of numbers representing counts or
measurements.

Answer 10

QUANTITATIVE VARIABLE

Question 11

• results from either a finite number of possible values or a countable number of possible values.

Example:
 Number of students, number of books, number of
flights, number of pairs of shoes

Answer 11

DISCRETE QUANTITATIVE VARIABLE

Question 12

• results from infinitely many possible values
  that can be associated with points on a
  continuous scale in such a way that there are
  no gaps or interruptions.

Example:
 height, weight, grade point average, time

Answer 12

CONTINUOUS QUANTITATIVE VARIABLE

Question 13

a part of the population or a subcollection of elements drawn from a population.

Answer 13

SAMPLE

Question 14

1.) a numerical measurement describing some characteristics of a population.

2.) a numerical measurement describing some characteristic of a sample.

Answer 14

1.) PARAMETER

2.) STATISTIC

Question 15

1.) often conducted to gather opinions or feedback about a variety of topics.

2.) gathering information from the entire population.

3.) gathering information only from part of the population.

Answer 15

1.) SURVEY
2.) CENSUS
3.) SAMPLING

Question 16

characterized by data that consists of
names, labels, or categories only.

Example:
name, religion, civil status, address, sex,
degree program

Answer 16

Nominal

Question 17

» involves data that may be arranged in some order,
but differences between data values either cannot
be determined or are meaningless.

Example:
military rank, job position, year level

Answer 17

Ordinal

Question 18

like the ordinal level, with the additional property
that meaningful amounts of differences between
data can be determined. However, there is no
inherent (natural) zero starting point

Example: IQ score, temperature (oC)

Answer 18

Interval

Question 19

» is the interval level modified to include the
inherent zero starting point. For values at
this level, differences and ratios are
meaningful.

Example: height, width, area, weekly
allowance

Answer 19

Ratio