'The data below shows the mass of 40 students in class The measurement is to the nearest kg 55 70 57 73 55 59 72 60 48 58 54 69 78 75 64 65 57 71 78 76 49 66 62 76 63 76 52 76 53 56'
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(b) From the data given below, find the number of students whose weight is between 60 and 70: Weights in lbs 0-40 40-60 60-80 80 -100 100 -120 No. of students 250 120 100 70 50
Syed Basim M.
The data below gives the weight (in kgs) of selected students in a class 52 74 50 60 82 105 53 61 75 83 63 53 102 76 84 51 67 65 78 77 56 95 68 69 94 80 79 79 54 73 59 81 100 66 59 77 90 84 76 52 64 69 70 80 72 50 79 52 103 96 51 86 78 94 71 55 63 91 a. Using the inclusive method of classification, construct a suitable grouped frequency distribution table (3 marks) b. Draw and interpret the boxplot for the data (5 marks) c. Comment on the shape of the data based on the coefficient measures estimated using moments (7 marks)
Adi S.
The average weight of 55 students is $55 \mathrm{~kg}$ and the average weight of another 45 students is $45 \mathrm{~kg}$. Find the average weight of all the students. (1) $48 \mathrm{~kg}$ (2) $50 \mathrm{~kg}$ (3) $50.5 \mathrm{~kg}$ (4) $52.25 \mathrm{~kg}$
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