Jenny is carrying out a survey for her gcse mathematics project. Choose items from the menu that you feel you need to work on. Print out the worksheet of exam questions, or just grab a piece of. Or alternatively check my store for other individual free worksheets. Work out the number of year girls that should be in the sample. The examples are quick and concise with exam style questions, go to gcse maths if. A gcse maths worksheet covering stratified sampling suitable for gcse. The stratified sampling calculator was developed by jacob cons. Powered by create your own unique website with customizable. See more ideas about gcse math, math and gcse revision. She uses a stratified sample of 60 students according to year group.
Sampling is the process of looking at a small selection of peopleobjects from a wider population in order to learn new information about that population. Sampling basically means selecting peopleobjects from a population in order to test the population for something. Stratified sampling is a sampling technique that preserves the given strata proportions. Suitable for gcse students sitting the 9 1, alevel maths students revision and some key stage 3 students.
For example, suppose you want to know about reading habits in the uk. Checking all the apples piece by piece will be timeconsuming. Stratified sampling probability grade 4 title topic index notation number. A population is a group that we want to find information about. Want to download the sampling revision notes in pdf format. When a population is divided up into groups, taking a stratified sample ensures that each group is asked in the correct proportion. Research methods revision flashcards in gcse psychology. The following resources are ideal for your gcse maths revision. Edexcel gcse mathematics linear 1ma0 stratified sampling materials required for examination items included with question papers ruler graduated in centimetres and nil millimetres, protractor, compasses, pen, hb pencil, eraser. The population is classified by age as shown in the table below. Gcse maths handling data learning resources for adults, children, parents and teachers. Some of the material is first year degree standard and is quite involved for both for maths and physics.
Gcse sociology unit 1 revision booklet studying society the family. This gcse maths revision webinar is on indices and surds. Mar 31, 2018 gcse revision video 31 stratified sampling duration. Here is a suggestion for how you might use these resources. Stratified sampling questions worksheets and revision mme. Stratified sampling stratum is another word for class, level or grade. Passing gcse maths significantly increases your career opportunities by helping you gain a place on a college course, apprenticeship or even landing continue reading. Stratified sampling questions, worksheets and revision. Gcse maths course and revision information booklet. Statistics teaching resources our statistics resources were created to help students develop essential skills of interpreting and analysing data.
The corbettmaths video tutorial on stratified sampling. Stratified sampling made easy your free online maths tutor. Do the questions, use the videos if needed and mark your work. Aim to get full marks on the quiz questions and make sure you explain each answer. Gcse revision video 31 stratified sampling duration. Lesson includes definition and builds the difficulty of examples which my class found insightful. Gcse statistics revision notes collecting data sample this is. Systematic sampling the researcher uses a system to pick the participants eg.
Simple random sampling a selection process where each member of the population has an equal chance of being selected. Jul 24, 2018 a gcse maths worksheet covering stratified sampling. Random sampling random sampling is a method that, in a population, every element has a chance to be included in a sample. Stratified sampling is when the population can be classified into groups or strata.
Stratified random sampling requires more administrative works as compared with simple. Sampling revision maths maths gcse and alevel revision. Data collection and sampling revision cards teachit maths stratified sampling gcse questions parking permits stratified sampling student sheet, notes, slides nuffield foundation. Random sampling, stratified sampling, systematic sampling, cluster sampling.
Stratified sampling gcse maths revision video youtube. To do this, you might ask 500 people from the uk how many books they finished last year this is a sample. Gcse maths stratified sampling higher a grade mathematics year 11 edexcel statistics rotate to landscape screen format on a mobile phone or small tablet to use the mathway widget, a free math problem solver that answers your questions with stepbystep explanations. May 10, 2014 gcse revision video 31 stratified sampling. Maths revision video and notes on the topic of stratified sampling. Mathswatch worksheets higher questions maths tallis. Complete stratified sampling lesson made for my year 10, top set, gcse class. Random and stratified sampling this lesson can be used for revision for the higher maths gcse. Andrew is going to carry out a survey of these students. Data collection sheets should have a simple design so that the results are clear to read. Introduction and sampling scool, the revision website. Passing gcse maths significantly increases your career opportunities by helping you gain a place on a college course, apprenticeship or even landing. Obviously we cant ask everyone in the country, so we ask a sample.
The assessments will cover the following content headings. Calculate the number of people that should be sampled from each age. When considering a particular population it is usually advisable to. The examples are quick and concise with exam style questions, go to gcse maths if you need more indepth explanations. Random and stratified sampling questions, worksheets, videos. Practice with free gcse maths grade 3, revision topic papers edexcel 1ma0. Handling data gcse maths revision ccea bbc bitesize. The maths gcse qualification at a glance o exam board. Stratified sampling gcse full lesson teaching resources. Subjects events job board shop company support main menu. All of the information is presented in a clear and engaging way, and answers are provided with all of our worksheets to help track students progress and prepare for gcses. Random and stratified sampling questions, worksheets.
Masses of free maths teaching resources from key stage 2 to key stage 5, including complete lesson packages and revision materials for the gcse and igcse. Gcse maths revision stratified sampling teaching resources. Click here to try the quick test stratified sampling. Why and how to use stratified sampling 3 minute maths.
Stratified sampling is a method of sampling which selects a sample from each layer of a population, sized according to how big that layer is. Functional skills maths revision bundle both levels. Stratified random sampling ensures that no any section of the population are underrepresented or overrepresented. For example, how do you compare your score in a maths mock exam to your. Stratified random sampling helps minimizing the biasness in selecting the samples. It might be a group of people or it could be simply a group of numbers. By separating the population into groups age groups, genders, etc. All of the information is presented in a clear and engaging way, and answers are provided with all of our worksheets to. Anything with a next to it represents content that is brand new to gcse maths for the 2017 exams. For example, we might want to find out how people are going to vote at the next election. Alevel maths statistics revision looking at sampling. A teacher wants a sample of 50 people from a school.
It is an easy to use stratified sampling calculator which only requires minum data input. This can be done in various ways for example by simply picking out of a hat or by using a random number generator on a calculator. Stratified sampling higher collecting data gcse maths revision. This was taken from my 150 page workbook which covers many more maths topics. This is a website which cointains a stratified sampling calculator to save you time from having to do the maths.
Mathematics linear 1ma0 stratified sampling maths genie. A sample is a method of survey that takes a representative of the population. The concept of having a representative leads to random sampling. Gcse maths revision resources have been sorted by topic and include the new gcse specification. As this method provides greater precision, greater level of accuracy can be achieved even by using small size of samples. A gcse maths worksheet covering stratified sampling. Topics include populations, census, sample surveys, sampling units, sampling frames, random sampling, systematic sampling, stratified sampling and quota sampling. Suitable for all the big examination boards including aqa, edexcel, ocr and wjec. Stratified sampling gcse revision worksheet teaching. Gcse data playlist exam question solutions stem and leaf box plots cumulative frequency frequency polygons probability tables questionnaire tree diagram histogram scatter graphs stratified sampling mean from grouped frequency probability table expected frequency. Powered by gcse revision video 31 stratified sampling. He uses a sample of 50 students, stratified by year group and gender. Stratified sampling this involves picking people from different groups within the. Gcse revision video 31 stratified sampling youtube.
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