Basic Concepts and Definition

Question 1

Statistics came from the Latin word “status” which means?

Answer 1

State

Question 2

By the ___ century, the term “statistics” designated the systematic collection of demographic and economic data by states.

Answer 2

18th

Question 3

A branch of Science that deals with the development of methods for a more effective way of collecting, organizing, summarizing, presenting, and analyzing data.

Answer 3

Statistics

Question 4

What type of statistics does this belong to?
•Collection of data 
         •From populations 
         •From samples 
•Organization of data 
•Summary of data 
•Presentation of data 
          •Tables 
          •Graphs

Answer 4

Descriptive Statistics

Question 5

What type of statistics does this belong to?
•Analysis of data
•Generalize from samples to populations
•Perform estimations and hypothesis testing •Determining relationships among variables
•Making predictions

Answer 5

Inferential Statistics

Question 6

An object (or subject) on which a measurement is taken.

Answer 6

Element

Question 7

It consists of all subjects (or elements) that are being studied.

Answer 7

Population

Question 8

It is a group of subjects selected from a population.

Answer 8

Sample

Question 9

It is a characteristic or attribute that can assume different values. It is denoted by the capital letters of the English alphabet.

Answer 9

Variable

Question 10

The values (measurements or observations) that the variables can assume.

Answer 10

Data

Question 11

A collection of data values forms a _____.

Answer 11

Data Set

Question 12

Variables that can be placed in distinct categories, according to some characteristic or attribute.

Answer 12

Qualitative Variables

Question 13

Variables that are numerical and can be ordered or ranked.

Answer 13

Quantitative Variables

Question 14

Variables that assume values that can be counted.

Answer 14

Discrete Variables

Question 15

Variables that can assume all values between any two specific values. They are obtained by measuring.

Answer 15

Continuous Variables

Question 16

It is the process of assigning a value to a characteristic of the object that is being measured.

Answer 16

Measurement

Question 17

The ___________ classifies data into mutually exclusive (non-overlapping), exhaustive categories in which no order or ranking can be imposed on the data.

Answer 17

Nominal level of measurement

Question 18

1. Zip code: 9200 (Iligan City) 1101 (Diliman, Quezon City) 8000 (Davao City) 8002 (Digos)
2. Gender (male, female)
3. Nationality

are examples of what level of measurement?

Answer 18

Nominal level of measurement

Question 19

The __________ classifies data into categories that can be ranked; however precise differences between the ranks do not exist (there is no equality of scale between ranks).

Answer 19

Ordinal level of measurement

Question 20

1. Judging (first place, second place, etc.)
2. Rating scale (poor, good, excellent)
3. Military ranks (General, Lt. Gen., Maj. Gen., Brig. Gen., Colonel, etc.)

are examples of what level of measurement?

Answer 20

Ordinal level of measurement

Question 21

The _____________ ranks data and precise differences between units of measure do exist; however there is no meaningful zero.

Answer 21

Interval level of measurement

Question 22

1. Intelligence Quotient (IQ)
2. Temperature

are examples of what level of measurement?

Answer 22

Interval level of measurement

Question 23

The ____________ possesses all the characteristics of interval measurement, and there exists a true zero. In addition, true ratios exist when the same variable is measured on two different members of the population.

Answer 23

Ratio level of measurement

Question 24

1. Height
2. Weight
3. Age

are examples of what level of measurement?

Answer 24

Ratio level of measurement

Question 25

What are the Scales of Measurement?

Answer 25

Nominal, Ordinal, Interval, Ratio

Question 26

What are the classifications and types of variables?

Answer 26

Qualitative, Quantitative, Discrete, Continuous

Question 27

It is a summary measure describing a specific characteristic of the population.

Answer 27

Parameter

Question 28

It is a summary measure describing a specific characteristic of the sample.

Answer 28

Statistic

Question 29

Statistics also came from the German word “statistik” which means?

Answer 29

Study of political facts and figures

Question 30

Statistics also came from the Italian word “statista” which means?

Answer 30

Statesman or Politician