(Situation F) Ten Samples Of $n = 5$ Were Collected to Construct An

question 29

Multiple Choice

(Situation F) Ten samples of $n = 5$ were collected to construct an $\bar { R }$ -chart. The sample means and ranges for the 10 samples are shown below.


$\begin{array}{cccccc}\hline \text { Sample } & \text { Mean } & \text { Range } & \text { Sample } & \text { Mean } & \text { Range } \\\hline 1 & 20.2 & 2.7 & 6 & 20.4 & 1.9 \\2 & 22.4 & 1.8 & 7 & 15.9 & 1.0 \\3 & 21.2 & 1.5 & 8 & 22.3 & 2.1 \\4 & 18.2 & 1.2 & 9 & 20.7 & 1.6 \\5 & 23.2 & 2.4 & 10 & 21.1 & 1.8\end{array}$
-Calculate the centerline of the $\text { R-chart. }$

• A) 1.0386
• B) 2.057
• C) 1.80
• D) 4.114

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Definitions:

Cardiac Rehabilitation

A medically supervised program to help heart patients recover and improve their health and fitness.

Chest Pain

A discomfort or pain that can be felt in the front of the body between the neck and upper abdomen, often associated with heart-related issues but can have other causes.

Heart Attack

A medical emergency where blood flow to the heart is suddenly blocked, leading to damage or death of heart muscle.

Walking Distance

The length or extent that can be traveled on foot, often used to measure accessibility or exercise levels.