Which equation represents a proportional relationship that has a constant of proportionality equal to -10? y=x-10
y = -50
y=-10%
y=-10

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

Do you have answer choices?