Answer: The term “average mean” is redundant because the word “average” already implies the concept of a mean. However, I understand that you’re asking about the mean (average) value.
In the context of the Rolex watches’ time gains or losses, we previously calculated the sample mean (average) gain or loss in seconds per week. Let’s revisit that:
Sample mean (average) gain or loss: -0.1894 seconds per week (rounded to 4 decimal places).