Wynberg girls high-louise keegan-maths-grade11-statistics cumulative frequency

Cumulative Frequency Gr 11 Statistics (Activity 8.11)

Calculating Cumulative Frequency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object], 1 10 1 9 9 8 4 7 7 6 7 5 5 4 3 3 2 2 0 1 Cumulative Frequency Frequency Mark Mark obtained by learners in a test

Quick Practice ,[object Object]

Grouped Data ,[object Object],[object Object],[object Object],[object Object],1 91 - 100 6 81 – 90 29 71 – 80 35 61 – 70 20 51 – 60 14 41 – 50 7 31 – 40 6 21 – 30 2 11 – 20 0 1 – 10 Cumulative Frequency Frequency Marks Marks for English Exam

Drawing an ogive ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ogive.notebook 91 - 100 81 – 90 71 – 80 61 – 70 51 – 60 41 – 50 31 – 40 21 – 30 11 – 20 1 – 10 Marks Marks for English Exam 120 1 119 6 113 29 84 35 49 20 29 14 15 7 8 6 2 2 0 0 Points Cumulative Frequency Frequency

Drawing an ogive ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ogive.notebook 91 - 100 81 – 90 71 – 80 61 – 70 51 – 60 41 – 50 31 – 40 21 – 30 11 – 20 1 – 10 Marks Marks for English Exam (100;120) 120 1 (90;119) 119 6 (80;113) 113 29 (70;84) 84 35 (60;49) 49 20 (50;29) 29 14 (40;15) 15 7 (30;8) 8 6 (20;2) 2 2 (10;0) 0 0 Points Cumulative Frequency Frequency

Finding Median and Quartiles with Cumulative Frequency ,[object Object],[object Object],[object Object],[object Object],[object Object],120 1 91 - 100 119 6 81 – 90 113 29 71 – 80 84 35 61 – 70 49 20 51 – 60 29 14 41 – 50 15 7 31 – 40 8 6 21 – 30 2 2 11 – 20 0 0 1 – 10 Cumulative Frequency Frequency Marks Marks for English Exam

Finding Median, Quartiles and Percentiles from ogives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wynberg girls high-louise keegan-maths-grade11-statistics cumulative frequency

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