Construct a cumulative frequency polygon (also known as ogive) to represent the above dat Number of hours of Number of Cumulative Cumulative TV per week Students Frequency Relative Frequency [0 -4) 2 [4 - 8) 10 [8-12) 16 [12 - 16) 15 [16-20) [20 -24) [24 -28)) calculate the relative frequency and then construct a relative frequency pie chart to represent the data: ATION 88 FC .EN :68 Number of hours of Number of Relative Degrees Legend TV per week Students Frequency [0 -4) 2 [4 -8) 10 (8-12) 16 [12 -16) 15 [16 - 20) 8 [20 - 24) [24 -28)