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:

Thirty Years' War

A protracted and destructive conflict in Europe lasting from 1618 to 1648, involving most of the great powers of the time and fought primarily over religious and political issues.

Thirty Years' War

A devastating conflict in Central Europe between 1618 and 1648, involving many of the great European powers, that was primarily fought over religious and territorial disputes.

Soldiers

Individuals who serve in an army and are specifically trained and equipped to fight on behalf of a state or country in military engagements.

Treaty of Westphalia

The Treaty of Westphalia, signed in 1648, ended the Thirty Years' War in Europe, marking the beginning of the modern state system by recognizing the sovereignty of nations.