Solved: Small Sample An article includes elapsed times
Chapter 6, Problem 3(choose chapter or problem)
Small Sample An article includes elapsed times (hours) to lumbar puncture for 19 patientswho entered emergency rooms with sudden and severe thunderclap headaches (based on datafrom Thunderclap Headache and Normal Computed Tomographic Results: Value of CerebrospinalFluid Analysis, by DuPont et al., Mayo Clinic Proceedings, Vol. 83, No. 12). Given that thesample size is less than 30, what requirement must be met in order to treat the sample mean as avalue from a normally distributed population? Identify three ways of verifying that requirement.
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