box plots gcse

We have the smallest value (220) and the largest value (400), so we will have to work out the remaining values. Cumulative Frequency and Box Plots - Representing Data (GCSE Maths 9-1) free. It is also known as a Box and Whisker Diagram.. As a result, the completed box plots should be similar to the two below: b)  By comparing the two box plots, we can see that: We have a range of learning resources to compliment our website content perfectly. For the full list of videos and more revision resources visit www.mathsgenie.co.uk. Edexcel GCSE Mathematics (Linear) — IMAO CUMULATIVE FREQUENCY & BOX PLOTS Materials required for examination Ruler graduated in centimetres and millimetres, protractor, compasses, pen, HB pencil, eraser. To do this, we need the quartiles. Drawing a box plot from a list of numbers, To find the lower quartile, there are 11 numbers, so. The lowest mark was 18 The highest mark was 86 The median was 57 The lower quartile was 32 The following are facts about the data recorded on the students’ scores. H14b Cumulative Frequency, Box Plots, Histogram OCR keyboard_arrow_up And has I DO (example), WE DO (understanding Check), and YOU DO (practise of the skill); along with an Exit ticket - feel free to add another at the end. Question 4: The below cumulative frequency graph shows the weight of 100 people who attend Weight Watchers. The 50th value for Welsh Bank corresponds to a salary of £52,000, and the 50th value for the Bank of Finland corresponds to a salary of £62,000. The resource would also be suitable as hand out notes for pupils. All the students in Mathstown school had a test. Search for: Contact us. A box plot is usually drawn alongside a number line, as shown: Example. Designed for the higher GCSE content. Construct a box plot for the following data set. • You must show all your working out. This resource is a complete lesson and ready to teach. You need to know five values to draw a box plot: Lowest data value. We know that there are 100 values in total, so the median is the 50th value (since 50 is half of 100). Download all files (zip) GCSE-CumulativeFrequencyAndBoxPlots.pptx ; Another interesting read thanks. The guideline for median, lower quartile and upper quartile can be used to plot the sections of the box plot. Upper quartile. 1. You need to know five values to draw a box plot: Lowest data value. Making a box plot itself is one thing; understanding the do’s and (especially) the don’ts of interpreting box plots is a whole other story. = 3rd number. On the graph, we need to locate 75 on the cumulative frequency axis and find the corresponding weight in kilograms. Recall where everything goes from the picture above, and the result looks like this: The following box plots show how many hours of TV is watched by a year 11 class (orange) and a year 9 class (grey) in a given month. When comparing box plots you want to look at the median and interquartile range as your first two comparisons. Home / Edexcel GCSE Maths / Revision Notes / 9. The 50th value has a weight of 92 kilograms, so the line in the middle of the box in the box plot will fall on 92. The 25th value for Welsh Bank corresponds to a salary of £44,000, and the 25th value for the Bank of Finland corresponds to a salary of £50,000. The youngest person is 15. To find the lower quartile, there are 11 numbers, so \(\frac{11 + 1}{4}\) = 3rd number. For the interquartile range, we need to subtract the lower quartile from the upper quartile. Lower quartile. b)  From the box plots, make 2 comparisons between the data sets. Instructions Use black ink or ball-point pen. Cumulative Frequency and Box Plot Practice Questions Click here for Questions . Drawing these points onto a number line will give the following box plot. 2) Give you important pieces of information to draw a box plot. Conversely, if you are given a box plot you can work out these five values plus other useful statistics like range and inter–quartile range (IQR) Box plots are normally drawn on square or graph paper so you will need to be accurate It looks at what they are, how to draw them and how to interpret them. The examples are quick and concise with exam style questions, go to GCSE Maths if you need more in-depth explanations. a)  Draw two separate box plots to represent the spread of salaries at each bank. It is also known as a Box and Whisker Diagram.. GCSE Module 1 Lesson 05 Box Plot Box Plots GCSE Maths - Box Plots - (Box and Whisker) - Higher B grade statistics Investigate how box plots display the range and distribution of data along a number line and learn how to construct these graphs. The box plot tells you some important pieces of information: The lowest value, highest value, median and quartiles. The Box Plot shows the Range, Inter-Quartile Range and the Mean. A lot more at goteachmaths.co.uk! Read our guide, \text{Range } = 15.8 - 10 = 5.8\text{ seconds}, \text{Interquartile range } = 12.4 - 10.5 = 1.9\text{ seconds}, the median salary is higher at the Bank of Finland (. The following box plot represents data on the GPA of 500 students at a high school. This means that most of the links on this page are not yet active. The Lowest Value is taken from the lowest value in the data set; similarly the Highest Value. Median: – The median (Q_2) is always shown on a box plot by the middle line. Revision notes on the topic Box Plots for the Edexcel GCSE Maths exam. Two lessons on drawing, interpreting and comparing box plots. Make sure you are happy with the following topics before continuing. GCSE Revision Cards. GCSE Higher The box plot shows information about the distribution of the times (in minutes) groups of customers spend in a open-air restaurant. Corbettmaths - This video explains how to draw and also read a box plots (box and whisker diagram). www.justmaths.co.uk Box Plots (H) - Version 2 January 2016 Box Plots (H) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. GCSE Cumulative Frequency Graphs, Box Plots and Quartiles KS2/3/4 :: Data Handling & Probability :: Averages and Range KS2/3/4 :: Data Handling & Probability :: Data Representation Read more. Tracing paper may be used. Edexcel GCSE Mathematics (Linear) – 1MA0 CUMULATIVE FREQUENCY & BOX PLOTS Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. The weight of the lightest member was 61 kilograms and the weight of the heaviest member was 135. A box plot displays information about the range, the median and the quartiles. Check them out below. Specifically, we are missing the upper quartile and the lowest value. The numbers are already in order so the minimum and maximum numbers can be easily read off as 9 and 21, and the middle number can be read as 14. Videos, worksheets, 5-a-day and much more Free. This means that most of the links on this page are not yet active. Box plots are a huge issue. GCSE Maths revision tutorial video. Edexcel GCSE Mathematics (Linear) – 1MA0 CUMULATIVE FREQUENCY & BOX PLOTS Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. Credit: Illustration by Ryan Sneed Sample questions What is […] It's always useful to know who invented/discovered various concepts and I like seeing where box and whisker plots are used (or have been used). It covers Edexcel, AQA, and OCR syllabi (my 100+ lessons cover all the GCSE maths syllabus of all these Boards) It can also be used to add to a teachers own lessons on the topic. The oldest person in Mathsminster is 90. Making a box plot itself is one thing; understanding the do’s and (especially) the don’ts of interpreting box plots is a whole other story. This set of data contains 11 numbers, so we get the following. Make sure you are happy with the following topics before continuing. The lower quartile is the \dfrac{7+1}{4} = 2nd term, which is 252. The 25th value has a weight of 84 kilograms. Here, it is 8. Questions that may be asked about box plots: 1) Give you a list to draw a box plot. In two sizes, pdf and ppt. Previous Inequalities Practice Questions. Powered by https://www.numerise.com/GCSE Revision Video 26 - Box Plots Highest data value. Past paper exam questions organised by topic and difficulty for AQA GCSE Maths. Since there are 100 values in total, the lower quartile is the 25th value (since 25 is \frac{1}{4} of 100. These plots contain the range, interquartile range, median, lower … Data is represented in many different forms. Use this information to construct a complete box plot. Primary Study Cards. Diagrams are NOT accurately drawn, unless otherwise indicated. • Answer all questions. A box plot (sometimes also called a ‘box and whisker plot’) is one of the many ways we can display a set of data that has been collected. Cloned/Copied questions from previous 9-1 AQA GCSE exams. My Tweets. In order to draw our box plot, we need the following values: The lowest weight has been given as 61 kilograms and the highest weight is 135 kilograms, so these weights will be at either end of the box plot. 5-a-day Workbooks. Since there are 100 values in total, the upper quartile is the 75th value (since 75 is \frac{3}{4} of 100. box and whisker plots, compare box plots, how to compare box plots, modified box plots Box plots, a.k.a. The 75th value has a weight of 101 kilograms. What is a box plot? Next Increasing/Decreasing by a Fraction Practice Questions. Box plots GCSE This resource is a complete lesson and ready to teach. Box plots GCSE. Box Plots Post navigation. A graph that displays the highest and lowest quarters of data as whiskers, the middle two quarters of the data as a box, and the median Sketch a box plot and identify Preview. As a result, the completed box plot should be similar to the one below: Question 5: The cumulative frequency graph below shows the salaries of 100 employees who work for Welsh Bank (black) and 100 employees who work for the Bank of Finland (blue). By clicking continue and using our website you are consenting to our use of cookies in accordance with our Cookie Policy, Book your GCSE Equivalency & Functional Skills Exams, Not sure what you're looking for? 1. The lower quartile will be the 3rd number and the upper quartile is the 9th number. 5 1 customer reviews. Answer the questions in the spaces provided — there may be more space than you need. Labels: Box Plots, GCSE, Graphs, KS3, Resources, Statistics. You must show all your working out. Just because one box plot has a longer box than another one doesn’t mean it has more data in it. I will be working hard over the next couple of weeks to upload relevant resources and activate these links. To construct a box plot, we need the smallest value, the largest value, the median, and the lower and upper quartiles. To find the interquartile range we subtract the lower quartile (Q_1) from the upper quartile (Q_3). GCSE (1 -9) Box Plots Instructions Use black ink or ball-point pen. Our tips from experts and exam survivors will help you through. GCSE Maths revision tutorial video. Visit http://www.3minutemaths.co.uk for quick reminder High School GCSE mathematics videos. The range is one way of measuring the spread of the data, for more information head over here (Mean Median Mode and Range revision). Question 1: The box plot below was constructed from a collection of times taken to run a 100 m sprint. GCSE (9- 1) Grade 6 Cummulative Frequency and Box Plots Name: YYYYYYYYYYYYYYYYYYYYXX Total Marks: YYYYYYYYYYYYYYYYY www.naikermaths.com. • Answer the questions in the spaces provided – there may be more space than you need. From the graph, we can see that the lower quartile is 10.5 and the upper quartile is 12.4, so: \text{Interquartile range } = 12.4 - 10.5 = 1.9\text{ seconds}. Conversely if you are given a box plot you can work out these five values plus other useful statistics like range and inter – quartile range (IQR) Box plots are normally drawn on square or graph paper so you will need to be accurate. View all Products, Not sure what you're looking for? Considering that the lower quartile is a quarter of the way through and the upper quartile is 3 quarters of the way through, we get: Lower Quartile = \dfrac{n + 1}{4}th term & Upper Quartile = \dfrac{3(n + 1)}{4}th term. GCSE Cumulative Frequency Graphs, Box Plots and Quartiles. Tracing paper may be used. The median time is greater for the year 9 class. Taken from the Edexcel 2 year GCSE Scheme of Work, containing prior knowledge, keywords, opportunities for problem solving and common misconceptions. Upper quartile. A box plot shows a visual representation of the median and quartiles of a set of data. Statistics / 9.2 Box Plots.
box plots gcse 2021