A model rocket is launched with an initial upward velocity of 57m/s. The rocket's height h (in meters) after t seconds is given by the following. h=57t-5t^2
Find all values of for which the rocket's height is 29 meters.

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.

They're not gonna make it all the way up mount everest without dieing anyways so it doesn't really matter.