You may need to use the appropriate appendix table or technology to answer this question. In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. Use a planning value for the population standard deviation of eight minutes. (Round your answers up to the nearest integer.)   How large a sample should be taken if the desired margin of error is two minutes at a 95% level of confidence?   How large a sample should be taken for a 99% level of confidence?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.