Q. What is the primary purpose of "out-of-sample testing" in time series forecasting? (A) To identify seasonality in the data (B) To evaluate the accuracy of forecasts (C) To remove outliers from the data (D) To test for autocorrelation in residuals 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (B) To evaluate the accuracy of forecasts