A9 inch candle burns -2/3 inch per hour. how long will it take the candle to burn completely?

I'm pretty sure that it is 9 hours. Tell me if I'm right or wrong

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.