Kategorien: Alle - graphs - central - data - accuracy

von liyana che jid Vor 6 Jahren

209

FUNDAMENTALS OF STATISTIC

The document touches on various fundamental concepts related to statistics. Key themes include measures of dispersion such as range, variance, and standard deviation, which help in understanding the spread of data.

FUNDAMENTALS OF STATISTIC

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 :