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### Aggregating Data in Excel

- Statistical Functions
- Outlines
- Subtotals
- Pivot Tables

### Data Relation Analysis

- Normal Distribution
- Descriptive Statistics
- Linear Correlation
- Regression Analysis
- Covariance

### Analysing Data in Time

- Trends/Regression line
- Linear, Logarithmic, Polynomial, Power, Exponential, Moving Average Smoothing
- Seasonal fluctuations analysis

### Comparing Populations

- Confidence Interval for the Mean
- Test of Hypothesis Concerning the Population Mean
- Difference Between Mean of Two Populations
- ANOVA: Analysis of Variances
- Goodness-of-Fit Test for Discrete Random Variables
- Test of Independence: Contingency Tables
- Test Hypothesis Concerning the Variance of Two Populations

### Forecasting