Which numbers between 10 and 20 do not appear in the table at all? And also why don’t they appear?

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Which of the following is not a subset of {1,2,3}?