Which of the following can you add a reference line to?
A . Groups
B . Calculated Fields
C . Measures
D . Dimensions
Answer: B,C
Explanation:
You can add reference lines, bands, distributions, or (in Tableau Desktop but not on the web) box plots to any continuous axis in the view.
Reference Lines – You can add a reference line at a constant or computed value on the axis. Computed values can be based on a specified field. You can also include confidence intervals with a reference line.
Reference: https://help.tableau.com/current/pro/desktop/en-us/reference_lines.htm