Statistics for Data Science and Business Analysis - A4. No Autocorrelation

The video tutorial discusses the concept of serial correlation, particularly in time series data like stock prices. It highlights the day of the week effect, where stock returns vary between Fridays and Mondays, and explores explanations by Merton Miller and Kenneth French. The tutorial explains that linear regression assumes no autocorrelation, which is often not the case in time series data. It suggests plotting residuals to detect patterns and recommends using alternative models like autoregressive or moving average models when autocorrelation is present.

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