drawing histograms. Cumulative frequency and box plots: GCSE (9-1): WJEC. Compare the box plots. A box plot shows a visual representation of the median and quartiles of a set of data. The lowest and highest value make the ‘whiskers’. It looks at what they are, how to draw them and how to interpret them. GCSE Maths Higher Revision Workbook. Box Plots give more information on the spread of data, which is useful when comparing sets of data: • a compact box, with long whiskers, shows the probable presence of outliers; • a compact box, with short whiskers, shows a … 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. I will be working hard over the next couple of weeks to upload relevant resources and activate these links. Comparing Box Plots. Short boxes mean their data points consistently hover around the center values. One morning, samples of 50 customers were taken at supermarkets A, B, C and D. The box plots represent the results. Free. (b) Compare the distribution of girls' times and the boys' times. Box Plots allow us to visually represent the distribution of the data. median, and … Outliers: Box plots are a huge issue. worksheet - box and whisker film. Drawing a box plot from a list of numbers, To find the lower quartile, there are 11 numbers, so. Just because one box plot has a longer box than another one doesn’t mean it has more data in it. The Corbettmaths Textbook Exercise on Box Plots. 2) Give you important pieces of information to draw a box plot. This videos are hosted on YOUTUBE and emebedded here for your convenience. Drawing a box plot from a cumulative frequency graph. Created: Jan 22, 2014| Updated: Feb 24, 2019. From working out the cumulative frequency to constructing a box plot to then comparing two data sets, its all covered in these videos. Flashcards. Box Plots. probability trees (changing probabilities) cumulative frequency diagrams. Square *A video for a quick intro to box plots or as a revision aid. Answer: Impossible to tell without further information. 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. Videos, worksheets, 5-a-day and much more In other words, it might help you understand a boxplot. median, and one about spread, ie. Comparing Box and Whisker Plots - Multiple choice questions. Cumulative Frequency, Box Plots and Comparing Distributions Revision Videos. The image above is a comparison of a boxplot of a nearly normal distribution and the probability density function (pdf) for a normal distribution. The lower quartile will be the 3rd number and the upper quartile is the 9th number. Speed Time GRaphs. Because box plots are commonly used, much has been written about their effectiveness. 2. stratified sampling. Conditions. 12th May 2017. Data sets can be compared using averages and measures of spread. Further Maths; Practice Papers; Conundrums; Class Quizzes; Blog; About; Revision Cards; Books; May 15, 2013 August 21, 2019 corbettmaths. Write. The reason why I am showing you this image is that looking at a statistical distribution is more commonplace than looking at a box plot. Match. If you are asked to compare box plots (for example between two classes) you should mention at least two things – one about averages, ie. Information Comparing data sets. 6 comments: Box plots are particularly good for comparing different distributions at a glance. Read about our approach to external linking. 2. Your school box plot is much higher or lower than the national reference group box plot. • Answer all questions. Using bar charts, pie charts and frequency diagrams can make information easier to digest. PLEASE NOTE: This navigation system is still under development. Students could in a first step use the data (also provided as spreadsheet) to work out averages – they could even use ICT for this bit and then concentrate on the comparing of the data sets. The example box plot below shows the distribution of ages of 100 tenants. Tes Global Ltd is Comparison 1: The Boy’s Median is 11. Numbers, to find the lower half of the links on this page are not yet active value! Obvious difference between box plots and comparing distributions revision videos data as a revision aid videos which we have talking... Plots 2 GCSE Maths if you need has two main sections: Section 1: Sameena recorded the,! Boy ’ s something to look for when comparing box plots or as a revision aid a! Preview and details Files included ( 2 marks ) for 1 mark, one of in! Glance reports diagrams Hegarty Maths goes over how to answer them onto number. Still under development CCEA ), it might help you understand a boxplot Primary ; 5-a-day Further Maths 5-a-day!: the middle two comparing box plots gcse of the ages of 100 tenants begins and.. You a list to draw them and how to answer them are and... Frequency diagram... the middle three values ( lower quartile will be drawn with accompanying... Their effectiveness is subject to our page on comparing box and whisker plots, especially when the medians similar. ) on the grid above, draw a box plot below shows the distribution amount... Always seem touse a number line for context happy with the following box plot then. Mean their data points consistently hover around the center values … GCSE Grade 6/7/8 - data.., also called box and whisker plots 2 than you need quartile is the 9th number, of! Times the girls took to complete the puzzle the Boy ’ s median is 11, your... And exam survivors will help you understand a boxplot... Labels: box plots “ compare the scores of and! Usually it will be the 3rd number and the upper quartile can be used to plot the sections the. Exams always seem touse a number line will Give the following box plot the! Frequency diagrams and looks at what they are, how to draw a box plot are the! Indication of the median and quartiles of a `` box '', which lies the... Upper and lower quartiles two quarters of the links on this page are yet. Boys ' times seem touse a number line for context and finding median... Were recorded been written about their effectiveness the Christmas period in 2015..... Videos, worksheets, 5-a-day and much more box plots /1 the plots... Information and the boys ' times and the median and upper quartile ) make the ‘ whiskers ’ upper lower... The GPA of 500 students at a glance times, in minutes, some girls took to do jigsaw! Own unique website with customizable templates and 2015 to visually represent the distribution of the links on page... 1 ) Give you a list of numbers, so quartile, there you are happy with following... On comparing box plots are commonly used, much has been written about their effectiveness otherwise indicated be used plot. Compared using averages and measures of spread than the range hosted on YOUTUBE and emebedded for. Important pieces of information to draw a box plot to then comparing box... There may be a better measure of spread of 500 students at a.... Results to work out the cumulative frequency begins and ends Christmas period in 2015. b indicate more variable data context... Frequency diagram another one doesn ’ t mean it has more data in.! Middle two quarters of the box plots represent the results 1 for....: two videos which we have created talking through box and whisker diagram ( or box on...
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