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The following ratio-to-moving averages for the seasonally adjusted series were found by the decomposition method applied on a time series representing quarterly sales for the last three years: Which of the following is the seasonal index for the fourth quarter?
Empirical Economics
The collection and use of data to test economic theories.
Regression Analysis
A statistical technique used to estimate the relationships among variables, often used for prediction and forecasting.
P-value
A statistical metric that helps determine the significance of results, indicating the probability of observing the given data if the null hypothesis is true.
Statistically Significant
A determination that a relationship between two or more variables is caused by something other than chance.
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