Loading... Save for later. GCSE 9-1 Exam Question Practice (Cumulative Frequency) This carefully selected compilation of exam questions has fully-worked solutions designed for students to go through at home, saving valuable time in class. Free. Spell. Preview and details Files included (6) pptx, 288 KB. Count the number of data points. 0000003552 00000 n (a) Complete the cumulative frequency table. 0000002168 00000 n Aa�M��H�d-�����)�C�l�1�sխn 3y�~����xU�/\�x�n�N��p�w��:Q;2������xE���B The cumulative frequency graph*shows some information about these weights. 0000048266 00000 n 0000006182 00000 n Drawing a box plot from a cumulative frequency graph. 0000008514 00000 n Tes Global Ltd is registered in England (Company No 02017289) with its registered office … 0000003161 00000 n This is the running total of the frequencies. Write. ... What value would represent the lower quartile if the cumulative frequency total is 60? GCSE Maths revision tutorial video.For the full list of videos and more revision resources visit www.mathsgenie.co.uk. Cumulative frequency and box plots: GCSE (9-1): WJEC. <<5AF4B960BD45B44B868375A6C85F7EC0>]/Prev 712340>> Covers all aspects of the GCSE 9-1 syllabus. h�|RMOQ=���t�ҙ��T4,tap%Z+��Q�@�'�-# 0000124629 00000 n 0000147614 00000 n 0000003507 00000 n 0000003595 00000 n 33 - 14 = 19. There are two ways to check this: Add all the individual frequencies together: 2 + 1 + 3 + 1 = 7, which is our final cumulative frequency. What does cumulative frequency mean? The lower quartile is (n+1)/4 th value (n is the cumulative frequency, i.e. 0000007535 00000 n O 5 20 40 60 80 10 15 Length of call (minutes) � xᄃ�u"�����F��mz�8t The Median ValueThe median of a group of numbers is the number in the middle, when the numbers are in order of magnitude. Edexcel GCSE Maths Linear higher grade B questions. 0000119728 00000 n Therefore the median would be the 13th value. %PDF-1.3 %���� 0000003414 00000 n Questions on Cumulative Frequency for GCSE Solutions can be found at http://www.mathsnote.com Cumulative Frequency Practice Questions Cumulative, frequency, curve, graph. Flashcards. 0000092755 00000 n 0000007708 00000 n 0000002717 00000 n %%EOF mathsgenie.co.uk. 60 50 40 Cumulative frequency 30.20 10 # (a) 150 160 180 190 140 (1) 170 Weight (g) Use the graph to find an estimate for the median weight. 0000047957 00000 n 0000002992 00000 n gcse Cumulative frequency – Intermediate & Higher tier - WJEC Cumulative frequency tables are often used to display large data sets of continuous or discrete data. 0000003731 00000 n CUMULATIVE FREQUENCY[ESTIMATED TIME: 35 minutes]GCSE(+ IGCSE) EXAM QUESTION PRACTICEThe cumulative frequency graph gives information about the lengths, in minutes, of 80 telephone calls.5O204060801015Length of call (minutes)Cumulativefrequency202530(a) Find an estimate for the number of calls which were longer than 15 minutes. GCSE Guide provides detailed revision notes, past papers, and revision advise for motivated GCSE students. Read more. Further Maths; Practice Papers; Conundrums; Class Quizzes; Blog; About; Revision Cards; Books; April 4, 2018 August 12, 2019 corbettmaths. docx, 13 KB. 0000143739 00000 n Cumulative Frequency and Box plots GCSE Higher Maths revision Exam paper practice & help STUDY. This is the running total of the frequencies. If we draw a cumulative frequency curve, we see that the lower quartile, therefore, is about 17 and the upper quartile is about 37. It is very common to show a graph of the cumulative frequencies. FREE Maths revision notes on the topic: CUMULATIVE FREQUENCY by expert teachers for the Edexcel GCSE (9-1) Maths exam. This download is exclusively for GCSE Guide subscribers! When dealing with a cumulative frequency curve, "n" is the cumulative frequency (25 in the above example). 0000001536 00000 n PLAY. 0000004145 00000 n When dealing with a cumulative frequency curve, n is the cumulative frequency (25 in the above example). CUMULATIVE FREQUENCY [ESTIMATED TIME: 35 minutes] GCSE (+ IGCSE) EXAM QUESTION PRACTICE *P40660A01324* 13 Turn over 12 The cumulative frequency graph gives information about the lengths, in minutes, of 80 telephone calls. Test. Created by. 0000126328 00000 n 0000143506 00000 n ���_/��HC�x��5�ӗ��hhE 157 in this case) and the upper quartile is the 3(n+1)/4 the value. 0000127374 00000 n 0000003451 00000 n Example:Frequency: Cumulative frequency:4 46 10 (4 + 6)3 13 (4 + 6 + 3)2 15 (4 + 6 + 3 + 2)6 21 (4 + 6 + 3 + 2 + 6)4 25 (4 + 6 + 3 + 2 + 6 + 4). 0000005313 00000 n Download all files (zip) GCSE-CumulativeFrequencyAndBoxPlots.pptx ; Calculating the cumulative frequency is just adding up the frequencies as you go along. frequency tables Starter. The interquartile range is a method of measuring the spread of the middle 50% of the values and is useful since it ignore the extreme values. 1. (Total for question 1 is 3 marks) Height Cumulative Frequency. 1 The cumulative frequency table shows the height, in cm, of some tomato plants. 0000002234 00000 n Example: Frequency: Cumulative frequency: 4 4 6 10 (4 + 6) 3 13 (4 + 6 + 3) These graphs are also sometimes called “S curves” and you’ll see why below. www.justmaths.co.uk Cumulative Frequency (H) - Version 2 January 2016 Cumulative Frequency (H) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. 0000010598 00000 n ]�b:�w��z��-Ky�?՛��}>s���G�� d�b*j�H�Ųǌ9?e���I�%�,k�A5 0000120043 00000 n What does cumulative frequency mean? 0000120393 00000 n 286 0 obj <> endobj 15th value. A cumulative frequency diagram is drawn by plotting the cumulative frequency against the upper class boundary of the respective group. The corresponding 'x' value is an estimation of the median. 0000011894 00000 n On a graph, it can be represented by a cumulative frequency polygon, where straight lines join up the points, or a cumulative frequency curve. Learn. QuartilesIf we divide a cumulative frequency curve into quarters, the value at the lower quarter is referred to as the lower quartile, the value at the middle gives the median and the value at the upper quarter is the upper quartile.A set of numbers may be as follows: 8, 14, 15, 16, 17, 18, 19, 50. 0000006136 00000 n The first value is the first frequency value, we then add this to the second value to get the second cumulative frequency value. To find this, on the cumulative frequency curve, find 13 on the y-axis (which should be labelled cumulative frequency). (2) (c) Use your cumulative frequency graph to find an estimate for the median age. This download is exclusively for GCSE Guide subscribers!To download this file, click the button below to signup (it only takes a minute) and you'll be brought right back to this page to start the download! 0000151832 00000 n �>. 0000011250 00000 n Our list was 3, 3, 5, 6, 6, 6, 8. 0000003685 00000 n 347 0 obj <>stream Past paper exam questions organised by topic and difficulty for Edexcel GCSE Maths. Cumulative Frequency (B) docx, 15 KB. Age (A) in years Cumulative f requency 20 < A 30 20 < A 40 20 < A 50 20 < A 60 20 < A 70 (1) (b) On the grid opposite, draw a cumulative frequency graph for this information. 0000147374 00000 n 1. 5-a-day GCSE 9-1; 5-a-day Primary; 5-a-day Further Maths; 5-a-day GCSE A*-G; 5-a-day Core 1; More. Model answers & video solution for Cumulative Frequency Graphs. The 4th value is 6. 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