Two Graphical Displays Are Given for a Set of Data $\begin{array} { l | l } 2 & 4 \\ 3 & \\ 4 & 2 \\ 5 & 25 \\ 6 & 057 \\ 7 & 12579 \end{array}$

question 51

Essay

Two graphical displays are given for a set of data. A hypothesis test is to be performed for the mean of the populationfrom which the data were obtained. Would it be reasonable to use a one-mean z-test? Explain your reasoning. Assumethat the population standard deviation is known.
-A normal probability plot and a stem-and-leaf diagram of the data are given below. $\begin{array} { l | l } 2 & 4 \\ 3 & \\ 4 & 2 \\ 5 & 25 \\ 6 & 057 \\ 7 & 12579 \end{array}$

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Definitions:

Preserved Specimens

Biological specimens that have been treated and kept to prevent decay for education or research purposes.

Scalpel

A small and sharp surgical instrument used for making incisions.

Microcentrifuge

A laboratory device used for the rapid spinning of samples to separate components based on density.

Body Fluids

Liquids within humans and other living organisms that transport nutrients and waste products, including blood, lymph, and interstitial fluid.