MMA.MATH.9.D

Use data from a sample to estimate population mean or population proportion; October 2015 Update Page 19 §111.C. High School.

Mathematical Models with Applications · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

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Vocabulary
datasamplepopulation meanpopulation proportion
Skills
  • use (data from a sample) #dok1
  • estimate (population mean) #dok2
  • estimate (population proportion) #dok2
Learning Targets
  • I can identify data from a sample. #dok1
  • I can define population mean and population proportion. #dok1
  • I can calculate an estimate for a population mean using sample data. #dok2
  • I can calculate an estimate for a population proportion using sample data. #dok2
  • I can explain how and why sample statistics are used to estimate population parameters. #dok2
Big Ideas
  • Sample data can be used to make inferences about a larger population.
  • Estimating population parameters using samples is a fundamental concept in statistics.
Essential Questions
  • What is the difference between a sample and a population?
  • How can you estimate the mean of a population using data from a sample?
  • Why might it be necessary to estimate a population proportion rather than calculate it directly?
  • What are some limitations or sources of error when estimating population characteristics from a sample?
  • In what real-life situations do we need to estimate population parameters using samples?