The Weights in Kilograms of a Sample of 30 Horses

Essay

The weights in kilograms of a sample of 30 horses are given below:


Weight
$\begin{array} { l } 165 \\175 \\150 \\155 \\173 \\149 \\145 \\153 \\153 \\153 \\152 \\145 \\164 \\143 \\170 \\175 \\148 \\174 \\171 \\156 \\166 \\168 \\152 \\150 \\173 \\168 \\146 \\155 \\172 \\159\end{array}$ a. Construct a cumulative relative frequency distribution for the data.
b. Construct an ogive for the data.
c. What proportion of horses weighs less than 160kgs?
d. What proportion of horses weighs between 145 and 165kgs?