The expected lifetime of a television is 18 years with a standard deviation of 4. use chebychev's inequality to estimate the probability that television will last between 9 and 27 years. a) 0.2435b) 0.1975c) 0.7334d) 0.8025e) 0.8504f) none of the above.

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.