Answer:
Gap: ina data display, a large space between data points.
Ex. 3,4,5, Gap 20,22
Cluster: in a data display, a cluster is several data points lie in a small interval. Ex. 7,8,9,0,2345678
Outliers: A number ina set of data that is much larger or smaller than most of the other numbers in the set.
Ex. 1, ( outlier ) 52, 55, 57,59, 129 (outlier)