Solve the Problem $\begin{array} { l l l l l l l l l l } 62 & 70 & 61 & 64 & 75 & 54 & 72 & 68 & 74 & 54 \end{array}$

question 27

Multiple Choice

Solve the problem. Round your answer to one decimal place, if necessary.
-A random sample of 30 long distance runners aged 20-25 was selected from a running club. The resting heart rates (in beats per minute) of the runners are shown below. Find the 95% confidence interval for the mea resting heart rate for the population of long distance runners aged 20-25.

$\begin{array} { l l l l l l l l l l } 62 & 70 & 61 & 64 & 75 & 54 & 72 & 68 & 74 & 54 \end{array}$
$\begin{array} { l l l l l l l l l l } 75 & 70 & 62 & 66 & 79 & 73 & 81 & 60 & 66 & 76 \end{array}$
$\begin{array} { l l l l l l l l l l l } 67 & 62 & 71 & 68 & 62 & 86 & 76 & 60 & 53 & 71 \end{array}$
$\begin{array} { l l l l l l l l l l } 62 & 70 & 61 & 64 & 75 & 54 & 72 & 68 & 74 & 54 \\ 75 & 70 & 62 & 66 & 79 & 73 & 81 & 60 & 66 & 76 \\ 67 & 62 & 71 & 68 & 62 & 86 & 76 & 60 & 53 & 71 \end{array}$

• A) \(64.6\) beats per minute \(< \mu < 71.6\) beats per minute
• B) \(64.1\) beats per minute \(< \mu < 70.1\) beats per minute
• C) \(63.7\) beats per minute \(< \mu < 72.2\) beats per minute
• D) \(64.9\) beats per minute \(< \mu < 70.9\) beats per minute

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Definitions:

Inventoriable Cost

Direct costs associated with the production of goods, including materials and labor, that are capitalized as inventory on the balance sheet until sold.

Period Cost

Expenses that are not directly tied to the production process and are charged to the accounting period in which they occur, like selling and administrative expenses.

Controllable Costs

Expenses that can be directly managed or influenced by a specific manager or management level within an organization.

Uncontrollable Costs

Expenses over which a manager or business has no direct control, often determined by external factors.