Statistics Homework: Confidence Intervals and Hypothesis Testing
VerifiedAdded on 2022/09/09
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Homework Assignment
AI Summary
This statistics assignment provides solutions to several problems related to statistical inference. The assignment covers the calculation and interpretation of confidence intervals, including determining the appropriate distribution (t-distribution) and calculating confidence intervals for the mean. It also addresses hypothesis testing, including setting up null and alternative hypotheses, determining the test statistic (z-score or t-score), and making decisions based on the p-value. Specific problems include testing the effectiveness of a program, determining the required sample size, and performing a two-sample t-test. Finally, the assignment includes a one-sample proportion test, calculating the test statistic, and drawing conclusions based on the critical value and p-value. The assignment includes a variety of statistical concepts and applications, demonstrating the use of different statistical methods.
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