Test Hypotheses About a Population Proportion
-Listed Below Are the April

question 155

Short Answer

Test Hypotheses about a Population Proportion
-Listed below are the April utility bills (in dollars) for one neighborhood. Assuming that the data is normally distributed, test the claim that the standard deviation for the data is $\$ 15$ . Use $\alpha = 0.01$ .
$$\begin{array} { l l l l l l l l l l } 70 & 48 & 41 & 68 & 69 & 55 & 70 & 57 & 60 & 83 \\32 & 60 & 72 & 58 & & & & & &\end{array}$$

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Definitions:

Thomas Drayton

A Confederate brigadier general during the American Civil War, known for his service in the Confederate States Army.

Confederate Cause

The ideological and political movement advocating for the secession of Southern states from the United States to preserve slavery and states' rights, leading to the American Civil War.

Northern Aggression

A term often used in the context of American history, particularly referring to the military actions of the Union against the Confederate South during the Civil War.

Deadly Riot

A violent disturbance by a large crowd, often resulting in deaths and significant destruction, usually sparked by social, political, or economic grievances.