MIDTERMS

Question 1

a science that studies data

Answer 1

statistical process/statistics

Question 2

using data to find an answer or a solution to a problem or an inquiry

Answer 2

statistical process/statistics

Question 3

use in decision-making

Answer 3

statistical process/statistics

Question 4

is information, quality, characteristics, number or quantity that describes a place, event, thing or idea that can be measured or counted
>can be qualitative or quantitative

Answer 4

VARIABLE

Question 5

2 classification of variables

Answer 5

> NUMERICAL
CATEGORICAL

Question 6

2 classification of Numerical variable

Answer 6

-Interval
-Ratio

Question 7

2 classification of Categorical variable

Answer 7

-Nominal
-Ordinal

Question 8

a variable that can be measured and represented as number

Answer 8

NUMERICAL

Question 9

a data which represents a group

Answer 9

CATEGORICAL

Question 10

data that contain of NAMES, LABEL AND CATEGORIES ONLY
-cannot be arranged according to arrangement

Answer 10

NOMINAL SCALE

Question 11

the lowest level of measurement and is used to describe or identify data

Answer 11

NOMINAL SCALE

Question 12

___ scales are qualitative, not quantitative.
-are used in research surveys and questionnaires

Answer 12

nominal

Question 13

hair color, gender, flavor of ice cream, jersey number are examples of what measurement / data or scale

Answer 13

NOMINAL SCALE

Question 14

the data can be organized in ordering scheme or rank

Answer 14

ORDINAL

Question 15

same properties of nominal level

Answer 15

ORDINAL

Question 16

class officers, rank in contest are examples of what measurement / data or scale

Answer 16

ORDINAL

Question 17

a quantitative scale that measures variables in equal intervals

Answer 17

INTERVAL

Question 18

a numerical scale that has equal distances between adjacent values

Answer 18

INTERVAL

Question 19

a “zero” doesn’t represent a true absence of the variable being measured

Answer 19

INTERVAL

Question 20

temperature, time are examples of what measurement / data or scale

Answer 20

Interval

Question 21

same properties of interval level

Answer 21

RATIO

Question 22

have a true absolute zero

Answer 22

RATIO

Question 23

weight, height, and age are examples of what measurement / data or scale

Answer 23

RATIO

Question 24

TWO AREAS OF APPLIED STATISTICS

Answer 24

Descriptive and Inferential

Question 25

the analysis of data that helps describe, show or summarize data in a meaningful way such that, for example, patterns might emerge from the data

Answer 25

Descriptive

Question 26

techniques that allow us to use samples to make generalizations about the populations from which the samples were drawn

Answer 26

Inferential

Question 27

5 methods of collecting data

Answer 27

-Interview Method -Experimental Method -Registration Method -Questionnaire Method -Observation Method

Question 28

2 methods under INTERVIEW METHOD

Answer 28

1. Direct method 2. Indirect method

Question 29

method of data collection where an interviewer asks questions to a respondent

Answer 29

direct method

Question 30

information obtained directly from the source -can be conducted face-to-face, by phone or online

Answer 30

direct method

Question 31

can be structured, unstructured, or semi-structured

Answer 31

direct method

Question 32

data collected directly from the source is called

Answer 32

primary data

Question 33

can include yes or no, true or false, multiple choice, and open-ended questions

Answer 33

direct method

Question 34

can be used to document activities, behavior, and physical aspects of a situation

Answer 34

direct method

Question 35

involves using existing data that was collected for another purpose

Answer 35

indirect method

Question 36

use secondary data (already existing data)

Answer 36

indirect methods

Question 37

may not involve direct contact with the primary source

Answer 37

indirect methods

Question 38

using data from government reports, analyzing existing documents or records are examples of what interview method

Answer 38

indirect method

Question 39

use when you need specific, detailed information about a topic and want to control the data collection process

Answer 39

direct methods

Question 40

use when time or resource constraints limit the ability to collect primary data, or when you need a broader overview of a topic and existing data is readily available

Answer 40

indirect methods

Question 41

a research tool that uses a series of questions to gather information from people

Answer 41

QUESTIONNAIRE METHOD

Question 42

it consist of collection of data by means of observing behavior of people, actions, and situations without asking from the respondent

Answer 42

OBSERVATION METHOD

Question 43

the observer observe the behaviour according to prearranged schedule

Answer 43

OBSERVATION METHOD

Question 44

a collection of data through government offices

Answer 44

REGISTRATION METHOD

Question 45

birth & death rate (PSA), list of registered voters (COMELEC) are examples of what method of collecting data

Answer 45

registration method

Question 46

data collection method where you as a researcher change some variables and observe their effect on other variables

Answer 46

EXPERIMENTAL METHOD

Question 47

the variables that you manipulate are referred to as ___ while the variables that change as a result of manipulation are ____ variables

Answer 47

-independent -dependent

Question 48

systematic procedure that's used in research studies to gather data and analyze results

Answer 48

experimental method

Question 49

methods used to select representative from a larger group of population

Answer 49

SAMPLING TECHNIQUES

Question 50

2 TYPES OF SAMPLING TECHNIQUES

Answer 50

1. Non-Statistical Sampling techniques 2. Statistical Sampling techniques

Question 51

4 STATISTICAL SAMPLING TECHNIQUES

Answer 51

1. RANDOM 2. STRATIFIED 3. CLUSTER 4. SYSTEMATIC

Question 52

selecting randomly from a population in a way that gives each member of the population an equal chance of being selected

Answer 52

RANDOM SAMPLING

Question 53

lottery method, and table of random numbers are methods of selecting what statistical sampling technique?

Answer 53

random sampling

Question 54

the population is divided into strata (groups) based on their homogeneity (characteristics they shared) of commonalities

Answer 54

STRATIFIED SAMPLING

Question 55

is used to determine the sample size of the population that must be taken for a specific study

Answer 55

SLOVIN'S FORMULA

Question 56

SLOVIN'S FORMULA: n = N/1+Ne^2 n = N = number of cases e = margin of error

Answer 56

n = sample size

Question 57

SLOVIN'S FORMULA: n = N/1+Ne^2 n = sample size N = e = margin of error

Answer 57

N = number of cases

Question 58

SLOVIN'S FORMULA: n = N/1+Ne^2 n = sample size N = number of cases e =

Answer 58

e = margin of error

Question 59

a probability sampling method in which you divide a population into clusters, such as districts or schools, and then randomly select some of these clusters as your sample

Answer 59

CLUSTER SAMPLING

Question 60

a sample selected by listing a population sequentially and choosing members at regular intervals

Answer 60

SYSTEMATIC SAMPLING