Q 9

For quantitative data,a cumulative relative frequency distribution records the proportion (fraction)of values that fall below the upper limit of each class.

Q 10

A histogram is a series of rectangles where the width and height of each rectangle represent the frequency (or relative frequency)and the width of the class,respectively.

Q 11

A polygon connects a series of neighboring points where each point represents the midpoint of a particular class and its associated frequency or relative frequency.