The Weight (In Pounds) of a Random Sample of 32

question 55

Short Answer

The weight (in pounds) of a random sample of 32 new born babies, born at a particular hospital are given below. Estimate the mean weight of the population of new born babies born at this hospital. Give the 95% confidence interval to two decimal places. The sample mean is 7.19 pounds and the standard deviation is 0.844 pounds. $$\begin{array} { l l l l l l l l } 8.0 & 6.2 & 6.8 & 7.1 & 6.8 & 8.6 & 7.4 & 6.4 \\7.4 & 7.0 & 6.0 & 7.8 & 9.0 & 7.3 & 6.5 & 5.8 \\8.4 & 7.6 & 7.2 & 6.5 & 8.5 & 7.1 & 6.3 & 6.9 \\7.0 & 5.9 & 8.3 & 6.6 & 7.3 & 7.7 & 6.4 & 8.2\end{array}$$

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Definitions:

Drug Concentration

The amount of a drug in a given volume of solution or mixture, often expressed in mg/mL or other units of measurement.

Oxacillin Sodium

A penicillin-based antibiotic used to treat a variety of bacterial infections.

Reconstitution

The process of mixing a liquid, such as water, with a dry powdered medication to prepare it for administration.

DA Equation

A formula used in dimensional analysis to convert one set of measurement units to another.