Cumulative Frequency Graphs – Higher – GCSE Questions These questions are the same format as previous GCSE exams. COPY means they use the exact same numbers as the original GCSE question. Otherwise, they are clone questions using different numbers. The worksheets are provided in a variety of sizes.

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GCSE GCSE Edexcel Higher: June 2017 Paper 2, Q8 The cumulative frequency graph shows some information about the heights, in cm, of 60 people. 1 The cumulative frequency graph shows some information about the heights, in cm, of 60 people. 60 60 50 50 40 40 Cumulative frequency Cumulative frequency 30 30 20 20 10 10 110 120 130 140 150 160 110 120 130 140 150 160 Height (cm) Height (cm) Work out an estimate for the number of these students with a height greater than 145 cm. Work out an estimate for the number of these students with a height greater than 145 cm. (Total for Question 1 is 2 marks) (Total for Question 1 is 2 marks)

GCSE GCSE Edexcel Higher: November 2017 Paper 3, Q11 The cumulative frequency graph shows information about the weights of 60 plants. 1 The cumulative frequency graph shows information about the weights of 60 plants. 60 60 50 50 40 40 Cumulative frequency Cumulative frequency 30 30 20 20 10 10 20 30 40 50 60 70 20 30 40 50 60 70 Weight (g) Weight (g) (a) Use the graph to find an estimate for the median weight. (a) Use the graph to find an estimate for the median weight. g g Mark says, “70 – 30 = 40 so the range of the weights is 40 g” (b) Is Mark correct? You must give a reason for your answer. (1) Mark says, “70 – 30 = 40 so the range of the weights is 40 g” (b) Is Mark correct? You must give a reason for your answer. (1) (1) (1) (c) Show that less than 20% of the plants have a weight greater than 50g (c) Show that less than 20% of the plants have a weight greater than 50g (2) (2) (Total for Question 1 is 4 marks) (Total for Question 1 is 4 marks)

GCSE Edexcel Higher: June 2017 Paper 2, Q8 The cumulative frequency graph shows some information about the heights, in cm, of 60 people. 60 50 40 Cumulative frequency 30 20 10 110 120 130 140 150 160 Height (cm) Work out an estimate for the number of these students with a height greater than 145 cm. (Total for Question 1 is 2 marks)

GCSE Edexcel Higher: November 2017 Paper 3, Q11 The cumulative frequency graph shows information about the weights of 60 plants. 60 50 40 Cumulative frequency 30 20 10 20 30 40 50 60 70 Weight (g) (a) Use the graph to find an estimate for the median weight. g Mark says, “70 – 30 = 40 so the range of the weights is 40 g” (b) Is Mark correct? You must give a reason for your answer. (1) (1) (c) Show that less than 20% of the plants have a weight greater than 50g (2) (Total for Question 1 is 4 marks)

48 students are at or below 145cm GCSE Edexcel Higher: June 2017 Paper 2, Q8 1 The cumulative frequency graph shows some information about the heights, in cm, of 60 people. 60 48 50 40 Cumulative frequency 30 20 10 110 120 130 140 150 160 Height (cm) Work out an estimate for the number of these students with a height greater than 145 cm. 48 students are at or below 145cm 60 – 48 = 12 12 (Total for Question 1 is 2 marks)

GCSE Edexcel Higher: November 2017 Paper 3, Q11 1 The cumulative frequency graph shows information about the weights of 60 plants. 60 51 50 40 Median Cumulative frequency 30 20 10 44 50g 20 30 40 50 60 70 Weight (g) 44 (a) Use the graph to find an estimate for the median weight. g Mark says, “70 – 30 = 40 so the range of the weights is 40 g” (b) Is Mark correct? You must give a reason for your answer. (1) If the data was grouped the minimum could be below 30 (1) (c) Show that less than 20% of the plants have a weight greater than 50g 9 plants have a weight greater than 50g 9 60 x 100 = 15% 15% is less than 20% (2) (Total for Question 1 is 4 marks)

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