PDF chapter test TRY NOW

Fill in the blanks:
 
1. The total area of the histogram is 
to the total frequency of the given data.
 
2. A graph that displays data that changes continuously over the periods of time is 
.
 
3. Histogram is a graphical representation of 
data.
Answer variants:
grouped
bar graphs
equal
frequency polygon
proportional
ungrouped
histogram