Tag: error

  • Scary Pumpkin Statistics

    Scary Pumpkin Statistics

    Students predict the number of seeds in a pumpkin and then count the seeds. They use chi square analysis to accept or reject the null hypothesis.

  • Investigation: Oreo Cookie Lab with Stats

    Investigation: Oreo Cookie Lab with Stats

    Introductory lab introduces students to hypothesis testing. Students determine if “double stuff” Oreo cookies really do contain double the amount of stuffing.

  • Medical Errors – Don’t Use Pure Water Intravenously

    Medical Errors – Don’t Use Pure Water Intravenously

    I created this mini case study from a story about a patient given sterile water instead of saline in an intravenous drip solution. Students should probably have a learned about tonicity (hypertonic, hypotonic, and isotonic) before attempting this activity. The worksheet describes a scenario where a patient was hyperglycemic and the doctor ordered water be…