stats

• What is the main topic of Year 9 Statistics Autumn 1?


  Collection of data
• What skills are developed in Year 9 Statistics Autumn 1?


  • Planning
  • Description
  • Sampling
  • Estimation
  • Summarizing
  • Listing advantages and disadvantages
  • Designing questionnaires and interviews
• What types of data are learned in Year 9 Statistics?


  Raw data, quantitative, qualitative, categorical, ordinal, discrete, continuous, ungrouped, grouped, bivariate, and multivariate
• What are the different types of populations and sampling methods discussed?

  • Population
  • Sample frame
  • Sample
  • Judgment sampling
  • Opportunity (convenience) sampling
  • Quota sampling
  • Stratified sampling
• What is stratified sampling?


  A sampling method that involves dividing the population into subgroups and taking samples from each subgroup
• What are the endpoints of the Year 9 Statistics Autumn 1 course?


  • List advantages and disadvantages of different types of populations and sampling
  • Design different questionnaires for interviews
  • List advantages and disadvantages of different questionnaires and interviews
• Why is it important to design questionnaires and interviews in data collection?


  To gather accurate and relevant information from respondents
• How can one summarize data effectively?

  By using statistical measures and visual representations
• What is the purpose of a topic test in Year 9 Statistics?


  To assess knowledge on collecting data
• What are the advantages and disadvantages of different types of sampling methods?


  Advantages:

  • Can provide representative samples
  • Can be cost-effective

  
  

  Disadvantages:

  • May introduce bias
  • Can be time-consuming
• How can one design effective questionnaires for interviews?


  • Use clear and concise language
  • Avoid leading questions
  • Include a mix of question types (open and closed)
  • Pre-test the questionnaire for clarity