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STATISTICS 作者: Mind Map: STATISTICS

1. Type of data

1.1. Discrete

1.2. Continuous

2. Collection of Data

2.1. Significant Figures

2.2. Rounding

3. Describing Data

3.1. Graphical:Frequency Distribution

3.1.1. Histogram

3.2. Analytical

3.2.1. Measures of Central Tendency

3.2.1.1. Average(Mean)

3.2.1.2. Median

3.2.1.3. Mode

3.2.2. Measures of Dispersion

3.2.2.1. Range

3.2.2.2. Standard Deviation

3.2.2.3. Variance

4. Phase of Statistics

4.1. A collection of quantitative data pertaining to a subject or group

5. Phase of Statistics

5.1. Descriptive

5.2. Inferential

6. Population and Sample

6.1. Population:Set of all items that possess a characteristics of interest

6.2. Sample:Subset of a population

7. Normal Curve

7.1. Symmetrical and Unimodal(bell-shaped)