TI-83 Excel Sketchpad formulas

      MAT123 Spring 2025 Notes

8.1 A Single Population Mean using the Normal Distribution

a) Define point estimate, margin of error, confidence interval estimate for the mean assuming σ is known, standard error.

b) Discuss the meaning of a confidence interval estimate (p 449 of text)

c) Interpret a CI estimate

d) Discuss width of CI and confidence level

e) Calculation of sample size needed for particular error tolerance

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