In a single-subject experimental design, if there is low variability from one observation to the next within a phase, the data are ____

What was Phineas Gage's personality like following his accident?

a. He had no change in his personality. b. He became undependable and obstinate. c. He became undependable but very accommodating. d. He became mild-mannered and friendly.

The median is represented by the symbol _____

a. Mn b. Mdn c. Me d. M