Test 2 Statistics
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Test 2 Theoretical Questions 1. Measures of variation. What means the term “variation”? 2. Simple Measures of Dispersion 3. Synthetic Measures of Dispersion: Mean absolute deviation, Variance, Standard deviation for Ungrouped Data and Frequency Distribution 4. Relative Dispersion Measures: Coefficient of Variation, interpretation 5. Distribution Shape Measures: Skewness, interpretation 6. Time series. Definition. Flow and stock time series 7. Time Series Variations (Components): Trend, Cyclical, Seasonal and Irregular Components. 8. Indicators measure of tendency (or dynamic). Absolute indicators: current and basic absolute modification. Relative indicators: growth coefficient, growth rate, modification rate of growth. Average indicators: average absolute modification and average growth coefficient. 9. Criterion of the Method Least Squares 10. The Relative Indicators: dynamics, structure, comparison, coordination, intensity. 11. Construction the trend equation using the options Microsoft Office Excel 2010. Problem Calculation the standard deviation and coefficient of variation. Make conclusion about the character of distribution and the character of arithmetic mean Calculate current and basic absolute modification from time series. Relative indicators: growth coefficient, growth rate. Average indicators: average absolute modification and average growth coefficient Make the forecast using the average absolute modification and average growth coefficient. Calculate the relative indicators: dynamics, structure, comparison, coordination, intensity. Theory: capitol5.pdf; capitol8.pdf
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Test Statistics
Transcript of Test 2 Statistics
Test 2Theoretical Questions
1. Measures of variation. What means the term “variation”?2. Simple Measures of Dispersion 3. Synthetic Measures of Dispersion: Mean absolute deviation, Variance, Standard deviation
for Ungrouped Data and Frequency Distribution4. Relative Dispersion Measures: Coefficient of Variation, interpretation5. Distribution Shape Measures: Skewness, interpretation6. Time series. Definition. Flow and stock time series7. Time Series Variations (Components): Trend, Cyclical, Seasonal and
Irregular Components.8. Indicators measure of tendency (or dynamic). Absolute indicators: current and basic
absolute modification. Relative indicators: growth coefficient, growth rate, modification rate of growth. Average indicators: average absolute modification and average growth coefficient.
9. Criterion of the Method Least Squares10. The Relative Indicators: dynamics, structure, comparison, coordination, intensity.11. Construction the trend equation using the options Microsoft Office Excel 2010.
ProblemCalculation the standard deviation and coefficient of variation. Make conclusion about the character of distribution and the character of arithmetic meanCalculate current and basic absolute modification from time series. Relative indicators: growth coefficient, growth rate. Average indicators: average absolute modification and average growth coefficientMake the forecast using the average absolute modification and average growth coefficient.Calculate the relative indicators: dynamics, structure, comparison, coordination, intensity.
Theory: capitol5.pdf; capitol8.pdf
