Caleb wants to buy a music CD, so he empties his coin bank. He finds twice as many dimes as nickels and 4 times as many pennies as nickels.
There are no quarters. In all, Caleb has $14.21. How many of each
coin does he have?

He secknd step was the answer to them

The answer would be choice b

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.