ENGR DATA ANALYSIS

The science that involves collection, organization and presentation, analysis and interpretation of information that is observable for each individual of entity under study, so that meaningful conclusion can be drawn.

• STATISTICS

• STATICS

• DATA ANALYSIS

Involves a narrative description of the results of the body. This is used when the researcher

wants to highlight only a few specifics.

• TEXTUAL PRESENTATION

• TABULAR PRESENTATION

Categories of data are represented by wedges in a circle and are proportional in size to the

percent of individuals in each category.

• PIE CHART

• PICTOGRAPH

• LINE GRAPH

• BAR GRAPH

Obtained from variables which are non-numeric such as categories, characteristics, names or labels.

• QUANTITATIVE

• QUALITATIVE

POSITIVE KURTOSIS

• LEPTOKURTIC

• MESOKURTIC

• PLATYKURTIC

This is usually done in a very small population size. Here, the researcher asks the initial subject to identify another potential subject who also meets the criteria of the research.

• SNOWBALL SAMPLING

• QUOTA SAMPLING

• PURPOSIVE SAMPLING

• CONVINIENCE SAMPLING

NEGATIVE KURTOSIS

• PLATYKURTIC

• LEPTOKURTIC

• MESOKURTIC

Measure of peakedness or flatness of a data

distribution relative to a normal distribution

• KURTOSIS

• CURTOSIS

• SKEWNESS

• SCREWNESS

Describes whether or not a distribution is symmetric.

NORMAL DISTRIBUTION

• MESOKURTIC

• PLATYKURTIC

• LEPTOKURTIC