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The document contains calculations to determine confidence intervals for different confidence levels (92%-99%) using a sample size of n=50 and a sample standard deviation of S=9. For each confidence level, it calculates the confidence interval as the sample mean (x=65) plus or minus the critical value of z multiplied by the standard error. The confidence intervals widen as the confidence level increases, ranging from 62.77-67.22 for 92% confidence to 61.72-67.27 for 99% confidence.
- Author
- Diana C Ramos
- Language
- EN