The amount of time, in hours, babies spent sleeping in two different nurseries is shown on the dot plots below.

Which describes an inference that Mrs. Hardison might make after comparing the means of the two data sets?

The babies in Nursery 1 spent more time napping.

The babies in Nursery 2 spent more time napping.

The babies in Nursery 1 had more variability in the time spent napping.

The babies in Nursery 2 had more variability in the time spent napping.