Weighted and exponential average

Expert opinion. Weighted average has the highest sensitivity. It responds to trend changes faster than all the others.
Then, the exponential average follows in terms of sensitivity. And the simple average is the last one of the three.

Expert opinion. Weighted averages are rarely used. Most often exponential - at time intervals up to 1 day. Simple averages are used for intervals greater than 1 day.

Expert opinion. If you choose a long timeframe for any average. 80 and above, that it can be used as a dynamic support\resistance level.