RK12
171040780
NOOR LIYANA BINTI CHE JID
Measures of Central Tendency
Measure of Dispersion
FUNDAMENTALS OF STATISTIC
Accuracy and Precision
Precision : Determined by how reproducible is the measurement value.
Accuracy : Determined how close a measured value to its "true" value.
Types of Frequency Distribution Graphs
OGIVE
POLYGON of DATA
BAR GRAPH
Variance
Standard Deviation
Range,R= Xh-Xl
Histogram
Median
Subtopic
Mode=greatest frequency
Mean
Normal Distribution
Types of Data
Variable
Discrete vs Continuous
Continuous
any numeric value
information that can be measured on a continuum or scale
Discrete
based on count
information that can be categorized into a classification
Quantitative data
Measurement information
Attribute
Good/Bad
Qualitative data
binary in nature
Statistic
make informed decisions
understand statistical techniques underlying decisions that effects our lives and well- being
organize numerical information in the form of table,graphs, and charts;
A set of concepts,rules, and proscedures that help us :
