Mark Alert!
Data analysis (7)
Creating a database

How do I get good marks? - creating a database

  • Look carefully at the data set you have been given.
  • Design a suitable database with sensible fields and data types.
  • Include sensible validation.
  • Import the data set you have been given.
  • Make use of your plan.

What will lose me marks? - creating a database

  • If you need help to design or create your database or to analyse your information.
  • If you produce a poorly designed database.

 

Creating a data entry form

How do I get good marks? - creating a data entry form

  • Design a data entry form that is easy to use
  • Include helpful features such as messages, validation, dropdown menus,etc
  • Test your data entry form by adding records
  • Add additional records without errors
  • Make use of your plan

 

Extracting information

How do I get good marks? - extracting information

  • Think about what information you want to get from the database
  • Design and run queries that will produce the information you need
  • Present your results clearly in well designed reports that make sense to other people - e.g. use sensible titles and column headings
  • Make use of your plan.

What will lose me marks? - extracting information

  • If you run queries from your database that give results that are not important or don't make sense.
  • If your reports do not make sense

 

Creating a questionnaire and spreadsheet

How do I get good marks? - creating a questionnaire and spreadsheet

  • Design your questionnaire and spreadsheet at the same time
  • Make sure the questionnaire will gather the information you need.
  • Make sure that the data you collect can be analysed using a spreadsheet
  • Avoid biased questions.
  • Decide what formulae you will need to give you the information you require.
  • Test your spreadsheet to make sure it is error-free and that it can process the data you collect
  • You need to check your work and modify it.
  • Use feedback from others such as your tutor or peers to make improvements.
  • Use the spreadsheet to present results in meaningful ways such as charts.
  • Make use of your plan.

What will lose me marks? - creating a spreadsheet

  • If you produce a poorly designed spreadsheet.
  • If you use formulae that do not provide useful information.
  • If you do not provide FORMULAE view versions of your spreadsheet.
  • If you do not check your work for accuracy and quality.
  • If you do not use the spreadsheet to present results effectively