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การตัดสินใจเบื้องต้น : สถิติเบื้องต้น ( Introduction to statistics) รวบรวมโดย ไพรศิลป์ ปินทะนา PowerPoint PPT Presentation


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การตัดสินใจเบื้องต้น : สถิติเบื้องต้น ( Introduction to statistics) รวบรวมโดย ไพรศิลป์ ปินทะนา http://academic.cmri.ac.th/wijai/. สถิติ Statistics & Statistic. ศิริชัย กาญจนวาสี, 2537. ข้อมูลสถิติ (Statistics Data). สถิติศาสตร์ (Statistics). ค่าสถิติ (Statistic). วิชาสถิติ (Statistics).

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การตัดสินใจเบื้องต้น : สถิติเบื้องต้น ( Introduction to statistics) รวบรวมโดย ไพรศิลป์ ปินทะนา

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Introduction to statistics

: (Introduction to statistics)

http://academic.cmri.ac.th/wijai/


Introduction to statistics

Statistics & Statistic

, 2537

(Statistics Data)

(Statistics)

(Statistic)

(Statistics)


Introduction to statistics

(Descriptive Statistics)

(Inferential Statistics)


Introduction to statistics

(Statistical Method)

  • (Collection of data)

  • (Analysis of data)

  • (Presentation of data)

  • (Conclusion and Interpretation of data)


Introduction to statistics

(Statistics Data)

(Collection of data)

Primary Data

Secondary Data

Quantitative Data

Qualitative Data


Introduction to statistics

(Data Analysis)

  • (Frequency)

  • (Proportion)

  • (Ratio)

  • (Estimation)

  • (Hypothesis Test)

  • (Correlation)

  • (Forecasting)


Introduction to statistics

(Presentation of data)

  • (Frequency Distribution Table)

    • (Histogram)

    • ((Frequency Polygon)

    • (Frequency Curve)

  • (Stem and Leaf)


Introduction to statistics

(Measures of Rank)

  • (Percentile) 100 P1, P2, P3,,P99

  • (Decile) 10 D1, D2, D3,,D9

  • (Quartile) 4 Q1, Q2 Q3


Introduction to statistics

(Measures of Central Tendency)

  • (Average or Mean: Me)

  • (Median: Md)

  • (Mode: Mo) 2 (Bimodel)


Introduction to statistics

3

Me=Md=Mo

3

Me<Md<Mo

Mo<Md<Me

()

()


Introduction to statistics

(Measures of Dispersion)

  • (Range: Rg)

  • (Inter Quartiles Range: IQR)

  • (Variance)

  • (Standard Deviation: SD)

  • (Coefficient of Variation: CV)


Introduction to statistics

(Measures)

(Measures of Rank)

(Measures of Central Tendency)

(Measures of Dispersion)

  • PR

  • DR

  • QR

  • Me

  • Md

  • Mo

  • Rg

  • IQR

  • Variance

  • SD

  • CV


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