You can always tell if your data are autocorrelated by visual inspection.

Name: You can always tell if your data are autocorrelated by visual inspection.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Autocorrelation may not always be evident through visual inspection alone, especially in complex datasets. Statistical tests, such as the Durbin-Watson test or autocorrelation function (ACF) plots, are often required to accurately detect autocorrelation.

You Can Always Tell If Your Data Are Autocorrelated by Visual