## 7.7.4 Measures of Dispersion for Grouped Data, SPM Paper (Long Questions)

Question 7:Diagram below shows the marks obtained by a group of 30 students in a history test.(a) Using data in diagram above and a class interval of 5 marks, complete the table in the answer space.(b) Based on the completed table in part (a)(i) find the modal class,(ii) calculate the mean mark obtained by the … Read more