Advantage of using a dot plot
It is useful for identifying and highlighting clusters and gaps
Disadvantage of using dot plot
It is more difficult to compare a set of two data, thus it will be difficult to verify if both groups are correlated.
Advantage of using a histogram to represent a set of data
Since the intervals are always equal, it allows for more concrete form of consistency
Disadvantage of using a histogram to represent a set of data
Exact value of data cannot be read as a histogram categorizes data into sets