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Home Question Bank Math Statistics Archive 2024 November 19

Statistics Questions from Nov 19,2024

Browse the Statistics Q&A Archive for Nov 19,2024, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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In constructing a \( 99 \% \) confidence interval to estimate \( \mu \) if \( n=24 \), what is the critical \( t \)-value? (Enter a value from the table to 3 decimal places) Looking at the effect of making changes to \( n \) and confidence level in the class problems: When a larger confidence level is selected, the error gets smaller or larger? larger smaller In general, when constructing a confidence interval: The more confident you wish to be, the less you have to be confident of. True False In general, when constructing a confidence interval: The more confident you wish to be, the less you have to be confident of. Looking at the effect of making changes to n and confidence level in the class problems: When a larger confidence level is selected, the error gets smaller or larger? Looking at the effect of making changes to n and confidence level in the class problems: When a smaller sample size is taken, the error gets smaller or larger? Looking at the effect of making changes to n and confidence level in the class problems: When a smaller sample size is taken, the error gets smaller or larger? Construct a \( 95 \% \) confidence interval for \( \mu \) if the sample size \( n=34 \), the sample mean \( \bar{x}=18.6 \), and the sample standard deviation \( s=4.2 \). Enter the confidence interval using no spaces between, and use a lowercase \( m \) for the mean of the population and round to 3 decimals. For example, \( 112.380<m<118.370 \) Find the error in constructing a \( 95 \% \) confidence interval for \( \mu \) if the sample size \( n=15 \), the sample mean \( \bar{x}=18.6 \), and the sample standard deviation \( s=4.2 \). Enter a number to 3 decimal places. In constructing a \( 90 \% \) confidence interval to estimate \( \mu \) if \( n=12 \), what is the critical \( t \)-value? (Enter a value from the table to 3 decimal places)
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