Sometimes, when there are two queries, you have to join the two. That’s why there’s a “Join by field” transformation. With or without I have no change.
The 3 queries concern the same field, but they don’t do the same thing. The first is for the week, the second is for the weekend and the last is for a variable threshold based on the average of the values read.
What’s more, if I try with a new panel and insert a simpler query :