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Statistics - Coggle Diagram
Statistics
AIMS
Process
Summarise
Displays
Analyse
Interpret
Types of Statistics/Statistical Analysis
Descriptive statistics
Tables and Graphs
Numerical method
Measures of Central tendency ( location,position)
Mean
Mode
Median
Measure of VarIability (spread /disperation)
Variance
Standart Deviation
Range
Inter-quatile range
Inferential Statistics
Hypothesis testing
Correlation and regression
Estimation
Prediction/ Forest
Key Concepts
Population
Calculated using population data are called parameters
The collection of all items of interest or under investigation
Sample
Computed from sample data are called statistics
an observed subset of the population
Types of Variable /Data
Categorical ( Qualitative)
Ordinal
Nominal
Numerical ( Quantitative)
Discrete
Continuous
Interval
Ratio