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What happens to the error in the estimation of population mean when 'n' is increased?
What happens to the error in the estimation of population mean when 'n' is increased?
- The error decreases, providing a worse estimate.
- The error decreases, providing a better estimate. (correct)
- The error increases, providing a better estimate.
- The error increases, providing a worse estimate.
What effect does a high population variance have on the estimation error?
What effect does a high population variance have on the estimation error?
- The error becomes unpredictable.
- The error increases. (correct)
- The error decreases.
- The error remains the same.
What does the estimated interval of the population mean depend on?
What does the estimated interval of the population mean depend on?
- The population standard deviation, $\sigma$. (correct)
- The sample mean, $\bar{x}$.
- The population variance, $\sigma^2$.
- The sample size, 'n'.
When the population variance is unknown, how is it typically estimated?
When the population variance is unknown, how is it typically estimated?
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What type of interval estimation is obtained when the error is distributed on only one side?
What type of interval estimation is obtained when the error is distributed on only one side?
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