Y FUND. MATHS - UNIT 2 STUDY AREA 1- UNIVARIATE STATISTICS The number of syringes used per month by the patients of a diabetic specialist is recorded and the results are given below: Answer the following questions? Stem Leaves 3 005555 003 5688 244488999 6 0 0 0 0 0 055555888 333555 8 005 0 0 Key: 310 refers as 30 (a) What is the maximum number of syringes used per month by these patients? ( b ) What is the minimum number of syringes used per month by these patients? What is the total usage per month by these patients? ( d ) What usage occurs most frequently? 4. Below are the examination scores for a class of 30 students. 24 56 35 77 80 95 31 82 52 65 42 49 92 86 84 63 72 76 95 88 91 68 55 89 80 90 75 74 56 95 (1) Construct an ordered stem plot for this data. Include a key. (ii) Find frequency distribution of the data. (iii) Describe the shape of the distribution of examination scores. (iv) What is difference between stem plot and frequency distribution