Woman using the Urinella, a type of female urination device, to adapt to standard men's room urinals. A female urination device, female urination aid, or stand-to-pee device (STP) is a device which aids a female to urinate while standing upright. Variations include basic disposable funnels to more elaborate reusable designs. Female urination devices have increased in popularity since the 1990s.
Each of the rectangles in the histogram has a base of 25, and the heights are 3, 7, 8, 10, 1, and 1. Thus the total area of the histogram is 3x25+7x25+8x25+10x25+1x25+1x25=750. We want the value with area 750/2=375 to the right of it and 375 to the left of it.
A histogram is used to portray the (grouped) frequency distribution of a variable at the interval or ratio level of measurement. It consists of vertical bars drawn above scores (or score intevals) so that. The height of the bar corresponds to the frequency. The width of the bar extends to the. real limits.