Sa t-distribution appropriate? a sample with size has and . the dotplot for this sample is given below. a dotplot ranging from 5 to 11 with dots plotted as follows: 1 dot above 5, 2 dots above 6, 3 dots above 7, 3 dots above 8, 2 dots above 9, and 1 dot above 11. indicate whether or not it is appropriate to use the t-distribution.