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What is Confidence Intervals in Statistics about?

- A random sample of 32 textbook prices from a local college bookstore had a mean (x) of $74.22 and a sample standard deviation (s) of $23.44. - Using a 95% confidence level, the margin of error (E) for estimating the mean price of all textbooks in the bookstore was calculated to be $8.12. - Therefore, a 95% confidence interval for the mean price of all textbooks in the bookstore is $66.10 to $82.34.

Author

_vanityk

Language

EN