The sum of the relative frequency is 1. Construct a table with three columns. A histogram is a representation of tabulated frequencies shown as adjacent rectangles or squares in some of situations erected over discrete intervals bins with an area proportional to the frequency of the observations in the interval.
A frequency is the number of times a data value occurs.
The highest score in Table 25 is 197 and the lowest is 142 so that the range is 55 ie. Usually we would record the frequency of data in a frequency table. Therefore to get the relative frequency we divide each frequency by 35. If youre in Excel you can go to File Open or you can right-click the file in your.