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4th Quarter
Math
Collection of Data
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Sampling Techniques
G7 > 4th Quarter > Math > Collection of Data
7 cards
Cards (18)
Interview
-
direct
method of gathering data
Questionnaire
-
indirect
method of gathering data
Interview
- requires
face-to-face
interaction with the respondent
Questionnaire
- this makes use of
written questions
to be answered by the respondent
Observation
- makes use of the
human senses
in gathering information
Registration
/
Census
- an official count or
survey
, especially of a population
Experimentation - usually conducted in
laboratories
to find out cause and effect relationships
Primary
Data - information gathered
directly
from the source (interview, observation, experimentation)
Secondary
Data gathered from the
secondary
sources (books, magazines..)
Slovins Formula - n= N/1+Ne^2
e = margin of error
See all 18 cards
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