Excel automatically spaces your intervals and labels equidistant from one another but it is assuming that your intervals actually are equidistant. In this graph, that’s not the case. We are missing the months of March, April, July, and August, when either no one was enrolled in the study or we have some missing data. But we can’t just gloss over those months. It isn’t truthful and it distorts the data display.
Click through for the solution.