CIE iGCSE Maths C9.3 Averages and range Exam Style Practice Questions- Paper 1 CIE iGCSE Maths C9.3 Averages and range Exam Style Practice Questions- Paper 1 IGCSE Mathematics(0580) Practice Questions Paper 1 - All Chapters QuestionThe stem-and-leaf diagram shows the number of hours that each of 16 students studied last week.Find:(a) the median(b) the mode(c) the range▶️ Answer/ExplanationSolutionAns:(a) 28 (median of 16 values is average of 8th and 9th values: (27+29)/2)(b) 21 (appears most frequently – twice)(c) 35 (47 – 12 = 35) Question125 people taste a new drink. Each person gives a score out of 5. The bar chart shows the results.Calculate the mean score.▶️ Answer/ExplanationSolutionAns: 3.08Multiply each score by its frequency: (0×4) + (1×15) + (2×23) + (3×36) + (4×19) + (5×28) = 385Divide total by number of people: 385 ÷ 125 = 3.08 More IGCSE Mathematics Practice Questions Paper 1 ..........
