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The document discusses intervale de incredere (confidence intervals) for sample data. It provides three examples of calculating confidence intervals for one data column, two data columns, and descriptive statistics for both columns. The key results are: 1) The 95% confidence interval for the theoretical mean of the single-column data is 6.92930763725036 to 13.3206923627496. 2) The number 4.32 is contained within the 95% confidence interval for the second data set, so the sample mean does not significantl
- Author
- Popescu Elena Georgiana
- Language
- EN