The pairs below are invented weekend observations for a different, imaginary pop-up room. They are not local service data.
Weekend
Later-opening hours, x
Visits during those hours, y
1
1
5
2
2
7
3
3
10
4
4
9
5
5
13
6
6
12
For spreadsheet work, enter x in B2:B7 and y in C2:C7. Use a graph and =CORREL(B2:B7,C2:C7) (or school-approved equivalent) to support a description of direction, form and strength. State one reason why this sample cannot tell us what would happen to every real reading room.