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