Histograms

In a histogram, frequency is plotted along the_________axis.

• horizontal

• vertical

• diagonally

• none of the above

If the rectangular bars of a graph are drawn horizontally, then this graph is called a ____________.

• histogram

• pie chart

• line graph

• bar chart

If two bars are missing but all of the other rectangular bars of a graphs are joined together side by side, then this graph is called a __________.

• bar graph

• proportionate bar chart

• histogram

• none of the above

If the widths of rectangular bars of a graph are unequal, then this graph is called a_________.

• histogram

• bar graph

• pictograph

• none of the above

What type of data can a histogram be used to represent?

• Discrete

• Continuous

• None of the above

• Both of the above

For bars of the same width in a histogram, the higher the frequency, the taller the bar. This means that the height of the bar is _________the frequency that it represents.

• directly proportional to

• inversely proportional to