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Are you getting enough zzz?

This activity investigates the amount of sleep New Zealand students get each night. The number of hours slept by students who own cell phones may be compared with the number of hours slept by students without cell phones. This allows the teacher to lead the students through and model an analysis and conclusion. The students may then compare the number of hours slept by students who send more than 50 text messages sleep to the other two data sets.

Resources:

Achievement Objectives

  • Level 4
    • S4-1Plan and conduct investigations using the statistical enquiry cycle
      • B gathering, sorting, and displaying multivariate category, measurement, and time-series data to detect patterns, variations, relationships, and trends
      • D communicating findings, using appropriate displays
  • Level 5
    • S5-1Plan and conduct surveys and experiments using the statistical enquiry cycle
      • A determining appropriate variables and measures
      • D using multiple displays, and re-categorising data to find patterns, variations, relationships, and trends in multivariate data sets
      • E comparing sample distributions visually, using measures of centre, spread, and proportion
  • Level 6
    • S6-1Plan and conduct investigations using the statistical enquiry cycle
      • E justifying findings, using displays and measures

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