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Statistics and Statistical Inference
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6 Data and Information
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• Introduction
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• Characteristics of Good Information
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• Data Type
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7 Collection and Presentation of data
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• Tables
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• Charts
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• Frequency Distribution
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• Histograms
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• Ogives
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• Scatter Diagram
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8 Averages
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• Arithmetic Mean
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• Mode
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• Median
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9 Dispersion
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• Range
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• Quartiles and the Semi-Quartiles Range
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• Mean Deviation
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• Variance and Standard Deviation
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• Coefficient of Variation
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• Skewness
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10 Correlation and Linear Regression
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• Correlation
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• Correlation Coefficient and Coefficient of determination
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• Spearman’s Rank Correlation Coefficient
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• Lines of Best Fit
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• Scatter Graph Method
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• Linear Regression Analysis
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• Using Spreadsheets
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11 Index numbers
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• Basic Terminology
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• Index Relatives
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• Time Series of Index Relatives
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• Time Series Deflation
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• Composite Index Numbers
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• Weighted Index Numbers
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• Retail Price Index for Pakistan
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| 12 Probability |
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| • Concept of Probability |
| • Rules of Probability |
| • Expected Values |
| • Expectation and Decision Making |
| 13 Normal distribution |
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| • Probability Distributions |
| • Normal Distribution |
| • Standard Normal Distribution |
| • Using Normal Distribution to Calculate Probabilities |
| • Pareto Distribution and 80:20 Rule |
| 14 Estimation & Testing |
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| • Confidence Interval Z and T test for single population mean |
| • Testing hypothesis Z and T test for single population mean |
| 15 Sampling & Sampling Frequency Distribution |
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| • Sampling Frequency Distribution with & without replacement for sample size 2 and 3 |
| • Random and Non-Random Sampling |
| • Sampling Frequency distribution for proportion |
| 16 Forecasting - Time series |
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| • Components of Time Series |
| • Finding the Trend |
| • Finding the Seasonal Variations |
| • Forecasting |
| • Limitation of Forecasting Models |