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COLUMNGRAPhCOLUMNGRAPh Same width We all have the same width By Zani Alam By Zani Alam

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Survey A way of collecting information Helps to find the views of the whole community or group Surveys are a primary source of information –provide link to the vocab page. What is a survey? Uses questions

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Survey Use of surveys Real world application Surveys can be used to find out attitudes of people about various issues To measure client satisfaction

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You need a quick and efficient way of getting information. You need to reach a large num ber of peopl e. You need statistically valid information about a large number of people. The information you need isn't readily available through other means. When should you conduct a survey?

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How to conduct a survey 5- Graph your results 4- Choose a suitable graph 3- Record your results in a table 2- Ask people your question 1- Think of a question How to conduct a survey,,,. Type of sport Basket ball VolleyballSocce r Netball Number of students 7592

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Types of graphs Line graphs Sector graphs Picture graphs Bar graphs Step graphs Column graphs DIFFERENT TYPES OF GRAPHS

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Column graph Column graphs have a series of vertical blocks. Column graphs can be distinguished from histograms because the blocks always have gaps between them while histograms have no gaps. Use of column graphs A column graph is used to show relationships between groups. The two items being compared do not need to affect each other. It is a fast way to show big differences. Column graphs are an excellent way to show results that are one time, that aren't continuous - especially samplings such as surveys.

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How do to construct a column graph Column graphs are drawn with parallel columns placed vertically. The width of each bar and the spacing between the bars are kept the same to avoid giving a misleading representation. The columns or bars can be used to show what is happening with one thing or they can be divided into sections to represent several parts. The column can be drawn spaced evenly or apart or together in groups. 1- Always place numbers on the vertical axis. Non-numerical groups are on the horizontal axis. 2- Draw two axes: one vertical and one horizontal. Make sure you leave room at the edge of the page for your labels. 3- Columns should be of the same width and should not touch at all. 4- Arrange categories from smallest to largest if appropriate. 5- Label each axis. 6- The scale should go up evenly and cover the largest and smallest values. 7- Include scientific units where appropriate. 8- Include a title to explain what the graph is about. Your title should start with: Graph of……..

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Column graph A column graph is used to show relationships between groups. Column graphs are an excellent way to show results that aren't continuous - especially samplings such as surveys. A column graph has two lines or axes. One is the horizontal axis which goes from side to side. The other is the vertical axis which goes up and down. Summary

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Things you should follow when drawing a column graph use graph paper Draw in the two axes with a ruler use a pencil Column graphs have a series of vertical blocks. Columns should be of the same width and should not touch at all. Non-numerical groups are on the horizontal axis. Always place numbers on the line vertical axis. Leave 0.5 cm gap at the start

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Width of the bar is the same

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This table shows the favourite sport played by year 7B. Types of sport Basketball Volleyball Soccer Netball Number of pupils 7592 Draw a suitable graph for your data. PDHP (tables and graphs) Example

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Step 1: Draw the axes Step 2: Always place numbers on the vertical axis. Non-numerical group on the horizontal axis. Number of students Step 3: Label them Step 4: Setting up the scales. Count how may squares represent 1 on vertical axis. On the horizontal axis, Leave 0.5 for the start. columns should be of the same width (1cm).. Step 5: Putting up the values and drawing the columns Step 6: Add a title 0 Graph of the types of sport played by 8B Title Types of sport 1 cm Basketball Volleyball Soccer Netball

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Create a Graph Activity

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Create a Graph Activities 1- Create a graph online (Do it tomorrow again) 2- Station activities 3- Design a game Check with P

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Primary source of information: that is, you directly ask someone for a response to a question, rather than using any secondary sources like written records. Survey: A way of collecting information Column graph Conduct: Vocab page

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Evaluation and Feedback from each student

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