For quantitative data, we examined three types of grouping: single-value grouping, limit grouping, and cutpoint grouping. For each type of data given, decide which of these three grouping types is...

For quantitative data, we examined three types of grouping: single-value grouping, limit grouping, and cutpoint grouping. For each type of data given, decide which of these three grouping types is usually best. Explain your answers.

a. Continuous data displayed to one or more decimal places
b. Discrete data in which there are relatively few distinct observations