Helen spent $30 for a clock and a sweater. the clock cost $18. what did the sweater cost?

The sweater costs $12 because if the clock costs $18 you’ll minus 18 from 30 and get 12

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.

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