Math quarter 3 exam Flashcards
a brach in mathematics that deals in collecting, organizing and interpreting data to address a certain pnenomenon
Statistics
set of all possible cases for which data are connected.
Population
a subset of population under study
sample
characteristics that vary over time from subject to subject
variables
process of gathering data such as surveys, interviews.
data collection
sampling
process of selecting subset of the population
quantitative variable
focuses on the quality of each experimental unit
represents category or groups.
qualitative variable
involves asking individuals a set of predetermined questions to gather info
surveys and questionaires
involves direct interaction betweena researcher and participant where questions and asked and responses recorded
interview
researches directly observe and record behavior without direct interactions
observation
researchers manipulate variables to observe the effect on the outcome
experiment
in deopth examination of a single case to gain insights into complex phenomena
case studies
uses to organize data, displayed GRAPHICALLY
statistical table
a statistical table that deals with FREQUENCY numbers
frequency table
number of times each category appears on the data set.
frequency
part of measurements, comparwed to the whole sampe
relative frequency
a CIRCULAR GRAPH that shows ategories are distributed.
Pie graph