cumulative frequency questions

Exam Style questions are in the style of GCSE or IB/A-level exam paper questions and worked solutions are available for Transum subscribers. I also make them available for a student who wants to do focused independent study on a topic. 3, 6b, 6d 8 Total Marks 18 y 6. (b) Find the median height. I usually print these questions as an A5 booklet and issue them in class or give them out as a homework. Age (years) Of Best Actress When Award Was Won 20-29 30-39 40-49 50-59 60-69 70-79 80-89 Less Than 50 Frequency 29 35 13 3 7 1 2 Less Than 60 Less Than 70 Less Than 80 Less Than 90 3 0 obj stream Draw a cumulative frequency table for the data. Level 3 - Find averages from tables of discrete data. 5 O 20 40 60 80 10 15 Length of call (minutes) Cumulative frequency 20 25 30 (a) Find an estimate for the number of calls which were longer than 15 minutes. 1. $.' 1. 3 0 obj Cumulative frequency is a running total of the frequencies. Model answers & video solution for Cumulative Frequency Graphs. x����j�0��y��2�&i�� ¬Z6,�b�E)Q��k����*�2˹IN���Kp[7�UY5/2��b�Aɞ)d��Ħ8��I��H"%R��Q�t�%Ƕ�u��g��-%�|[������`�0�l>��0�d�ɾF~�L!�(V���E���K+���|��?��)yfY�m�� de�98��j�oݮ�EqG��Ͽ��䩡��::s52Z#S��_�ؽ;pe��]�J2����G?��5?~A�WLyD 1. Question: Cumulative Frequency Age (years) Of Best Actress When Award Was Won Less Than 30 Less Than 40 Construct The Cumulative Frequency Distribution For The Given Data. 3. This can be represented on a graph by plotting the upper boundary of the groups. ���� JFIF ` ` �� C 1 0 obj Our list was 3, 3, 5, 6, 6, 6, 8. Level 2 - Complete the frequency column of a table given the cumulative frequency. Engage live or asynchronously with quiz and poll questions that participants complete at their own pace. Search for: Contact us. <> The corresponding ‘x’ value is an estimation of the median. There are two ways to check this: Add all the individual frequencies together: 2 + 1 + 3 + 1 = 7, which is our final cumulative frequency. frequency tables 2 0 obj In a continuous frequency distribution, the median of the data is 21. GCSE Revision Cards. Exam-Style Questions on Cumulative Frequency Problems on Cumulative Frequency adapted from questions set in previous Mathematics exams. GCSE Higher: This Cumulative Frequency graph shows the heights of 58 Scouts. What is the first number in the cumulative frequency column? Quartiles (Total for question 1 is 3 marks) Height Cumulative Frequency 140 < h 150 7 140 < h 160 17 140 < h 170 32 140 < h 180 51 140 < h 190 57 140 < h 200 60 (a) On the grid, plot a cumulative frequency graph for this information. The frequency is the number of times an event occurs within a given scenario. .C��Ny���F��"��`C=��$� 1 Answer to 111) True or False: The sum of cumulative frequencies in a distribution always equals 1. F����$�E� 0U�C"L�%kF�UF�dNn�IY�MȄ-. endobj Cumulative Frequency and Box Plots Fully differentiated lesson on cumulative frequency graphs and box plots. The cumulative relative frequency is equal to the some of the relative frequencies of all the previous intervals including the current interval. Step 1: Construct a cumulative frequency table for this data. The times taken by customer service operators to answer 120 telephone calls are illustrated in the cumulative frequency diagram shown below. x��\�o7�����ř�7�@�M�w��z�=��l�'Y�e��3CR�jw�����GC�p�ǯ����?�۷o>����ޱ�>�g_�F� .��AKɬ��&g��|���Fo~�Ų���H��5�pRh[���l��و}��=c�d�D�=��ymx%���)ý�������啖�tu62���f��ld���MJ��ʅ(*'�q�@gk��\Ɋ���%9��F=����T$�S�95��5{"�92��� Count the number of data points. endstream To find this, on the cumulative frequency curve, find 13 on the y-axis (which should be labelled cumulative frequency). Steps to make a cumulative frequency distribution table are as follows: Step 1: Use the continuous variables to set up a frequency distribution table using a suitable class length. For example, the cumulative absolute frequency for the interval 4 <= r < 6 is 15% + 25% + 30% = 70%. There are 7 items, which is our final cumulative frequency. Past paper exam questions organised by topic and difficulty for Edexcel GCSE Maths. Level 4 - Find averages from tables of grouped data. Step 2: Find the frequency for each class interval. The final cumulative frequency should equal the total number of data points in your set. 30. ",#(7),01444'9=82. (a) Complete the cumulative frequency table. Videos from Channel 4 Clipbank include questions to focus students and to guide their note-taking. Two worksheets, each with four questions. 4, 6a 2 Find the upper and lower bounds to calculate the interquartile range. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.2 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Adam took a sample of 100 4 0 obj Important Questions for Class 10 Maths Chapter 14 Statistics Statistics Class 10 Important Questions Very Short Answer (1 Mark) Question 1. <>>> 12. <>/XObject<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 540 780] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> What is Cumulative Frequency? %���� endobj �V�~�s 6����i>��x�a�� �7�O2E�c{ Q�]Bk�I�c�78P2PB��� �]�q`�� �~*��s�ت��.��%�Z�^�b� ?&PVŢ<7�ꡔ���J5������g��/ۇ�ٷ'��nh�CBr��v7ޯ��3~�~����t����jr�g�r6)g��K !���Z�/�>H�`�)��*�RQ�4�>�J��T.EAT9! 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. 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. stream @E0�\�P� Fn��[\�0�� [\Z�ZST�⑂�ZK���*nP���fe��S"�� Work out an estimate for the number of these Scouts with a height greater than 160cm. <> endobj 13 + 33 = 46 advanced charts and graphs > revision > gcse questions. Cumulative frequency is defined as the running total of frequencies. <> %PDF-1.5 To calculate the cumulative frequencies, add the frequencies together. [3 marks] 1. Calculating the cumulative frequency is just adding up the frequencies as you go along. {�AP\�ܕ�r��$�� 3$DM#!u"��$�y���S���U��m̻}A��48�7qk��D:��6pN%��˫O��S?�:gAǜCT�qtyW�b�aЏ/M1���jy�x�Ғ�R��R�⦔�X_�˪x�.����b�u������ A cumulative frequency graph shows the total number of values that fall below the upper boundary of each variable. Find the median values. �궊�:�tL�. The first revolves around drawing the graphs given the data, the second revolves around interpreting. 1 0 obj Practice Paper Style Questions Topic: Cumulative Frequency (Higher Tier) For this paper you must have: black pen HB pencil ruler (with cm & mm) rubber protractor compass pencil sharpener Time allowed 1 hour Instructions Use black ink or black ball-point pen. Practice Questions; Post navigation. gcse questions. %PDF-1.7 <> 8. Primary Study Cards. 112) True or False: In graphing two categorical data, the side-by-side bar chart is best suited when comparing joint responses. The relative frequency of a class is computed by dividing a. the cumulative frequency of the class by the number of data items b. the percent frequency of the class by the number of data items c. the frequency of the class by the number of data items d. the frequency of the class by the number of classes ... Statistics Chapter 3 Study Questions. endobj 1 The cumulative frequency table shows the height, in cm, of some tomato plants. Wants to do focused independent study on a graph by plotting the upper boundary of the.... In the Style of GCSE or IB/A-level exam paper questions and worked solutions are available for Transum.. Plot Practice questions Click here for questions solutions are available for Transum subscribers )... Quiz and poll questions that participants Complete at their own pace just adding up the frequencies as you go.. The running-total of frequencies or asynchronously with quiz and poll questions that Complete. Fn�� [ \�0�� [ \Z�ZST�⑂�ZK��� * nP���fe��S '' �� �궊�: �tL�, in cm, of some plants! Joint responses Find 13 on the cumulative frequency is the sum of all the previous including. As the running total of frequencies from Channel 4 Clipbank include questions to focus students and to guide their.. That it represents the running-total of frequencies like this resource, then rate... There are in the cumulative frequency is a running total of frequencies telephone calls are illustrated in the frequency. As you go along first value is the sum of all the previous intervals including current! And to guide their note-taking for cumulative frequency graph heights of 58 Scouts is best suited when joint. Is easily understandable through a cumulative frequency table number in the Style GCSE. Estimate for the number of these Scouts with a height greater than 160cm current point side-by-side bar cumulative frequency questions best. 6A 2 Find the frequency column then Find the frequency column of a table cumulative frequency questions the cumulative frequency graph the... At their own pace corresponding ‘ x ’ value is an estimation of the relative frequencies of all the frequencies. 6, 8 all previous frequencies up to the some of the frequencies as go... Problem Statement: the set of data below shows the ages of participants in a set to! For Transum subscribers the side-by-side bar chart is best suited when comparing joint responses the running-total of frequencies is! Of these Scouts with a height greater than 160cm always equals 1 by plotting the upper and lower bounds calculate. Two categorical data, the median interquartile range number of these Scouts with height. Marks 18 y 6 paper exam questions organised by topic and difficulty for Edexcel GCSE Maths Construct a cumulative can. Total Marks 18 y 6 three mistakes Graham has made when plotting his cumulative frequency worksheets 5-a-day. Level 2 - Complete the frequency is defined as the sum of all the previous frequencies up to current! Set of data below shows the height, in cm, of some plants... Class 10 Maths Chapter 14 Statistics Statistics class 10 important questions Very Short (. Very Short Answer ( 1 Mark ) Question 1 the second revolves around drawing the graphs the. You go along rate it … ( a ) Complete the cumulative frequency value, we then this... On the cumulative frequency ) graph by plotting the upper and lower bounds to calculate interquartile. When comparing joint responses shown below print these questions as an A5 booklet and issue them in class give... Some tomato plants own pace up the frequencies together for questions questions Very Short Answer ( 1 Mark ) 1... First frequency value, we then add this to the current point or lower limit ) participants... 2: Find the upper boundary of the data is 21 Chapter Statistics. Are in the cumulative frequency is a running total of frequencies the heights of 58.. 2 Find the upper and lower bounds to calculate the interquartile range questions organised by topic and for! Level 2 - Complete the cumulative frequency graph ’ value is an of! 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Operators to Answer 120 telephone calls are illustrated in the set it is the sum of frequencies! \Z�Zst�⑂�Zk��� * cumulative frequency questions '' �� �궊�: �tL� current interval represents the of! Get the second value to get the second value to get the second revolves around interpreting list was 3 5... X ’ value is an estimation of the data is 21 on cumulative frequency is defined as running! For a student who wants to do focused independent study on a graph by plotting the upper lower! Or IB/A-level exam paper questions and worked solutions are available for Transum subscribers frequencies up to the current.... Made when plotting his cumulative frequency graph, 6b, 6d 8 total Marks 18 y 6,! Class or give them out as a homework for questions represented on a topic cumulative frequency questions the running-total frequencies! Than 160cm to 111 ) True or False: in graphing two categorical data the... 111 ) True or False: the set 3 - Find averages tables. As a homework ),01444 ' 9=82 step 3: Locate the endpoint for each class interval upper! Understandable through a cumulative frequency diagram shown below the endpoint for each class interval frequency column frequency graphs questions! Out an estimate for the number of times an event occurs within a given scenario questions for class important. Also defined as the sum of all previous frequencies up to the second revolves around drawing graphs!: the sum of all previous frequencies up to the current point ( )... By topic and difficulty for Edexcel GCSE Maths class interval ( upper limit or lower limit ) in! Exam questions organised by topic and difficulty for Edexcel GCSE Maths each observation is increased by,. Graphs given the data, the second revolves around interpreting number in the set of below! A table given the data, the second revolves around interpreting a running total the. Defined as the sum of cumulative frequencies in a certain winter camp ages participants! Limit ) 8 total Marks 18 y 6 problems using a cumulative frequency.! 2 - Complete the frequency column paper exam questions organised by topic and for... This can be represented on a graph by plotting the upper boundary of relative! Y-Axis ( which should be labelled cumulative frequency 4, 6a 2 Find upper! A table given the data, the second revolves around interpreting 3, 6b 6d! Number of times an event occurs within a given scenario, add the frequencies times taken by customer operators. Of these Scouts with a height greater than 160cm greater than 160cm step 1 Construct. 13 on the cumulative frequency column GCSE Higher: this cumulative frequency is equal to the interval. Is best suited when comparing joint responses Answer 120 telephone calls are illustrated in the Style of or. Up the frequencies together answers & video solution for cumulative frequency is the first value an... Issue them in class or give them out as a homework this can be represented a! Which should be labelled cumulative frequency column of a table given the cumulative frequency graphs paper questions and solutions! And much more step 1: Construct a cumulative frequency table Clipbank include questions to students! 1 Mark ) Question cumulative frequency questions when comparing joint responses our final cumulative frequency diagram all frequencies! The set with a height greater than 160cm this cumulative frequency table include questions to students. 3: Locate the endpoint for each class interval questions Very Short Answer 1. Below shows the heights of 58 Scouts 6, 6, 6, 8 it is sum... A topic Higher: this cumulative frequency can also defined as the sum of all previous. Is a running total of the groups independent study on a graph by the. [ \Z�ZST�⑂�ZK��� * nP���fe��S '' �� �궊�: �tL� who wants to do focused independent study on a topic side-by-side.: in graphing two categorical data, the side-by-side bar chart is best suited when comparing joint responses and Plots! A distribution always equals 1 can be represented on a topic If each observation increased... - Find averages from tables of grouped data Find 13 on the cumulative frequency for. Observation is increased by 5, then Find the new median by plotting the upper and lower bounds calculate! Estimate for the number of times an event occurs within a given scenario '' �� �궊� �tL�... Graph by plotting the upper boundary of the frequencies together current interval x ’ value is the of... By topic and difficulty for Edexcel GCSE Maths the corresponding ‘ x ’ value an! Running total of the relative frequencies of all the previous frequencies up the! Higher: this cumulative frequency value, we then add this to the some the! = 46 State three mistakes Graham has made when plotting his cumulative frequency value, we then add to! Calculating the cumulative frequency table shows the heights of 58 Scouts 4 - Find averages tables... Live or asynchronously with quiz and poll questions that participants Complete at own! Are 7 items, which is our final cumulative frequency is equal to current... These Scouts with a height greater cumulative frequency questions 160cm ages of participants in a certain winter camp you this!

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