The Following Output from MINITAB Presents a Confidence Interval for the Mean

question 35

Multiple Choice

The following output from MINITAB presents a confidence interval for the mean difference between matched pairs. $\begin{array} { c c c c c } & \mathrm { N } & \text { Mean } & \text { StDev } & \text { SEMean } \\ \text { Difference } & 16 & 4.9474 & 6.3070 & 1.57675 \end{array}$

$95 \%$ CI for mean difference: $( 1.586646,8.308154 )$

What is the point estimate of $\mu _ { d }$ ?

• A) 1.57675
• B) 15
• C) 4.9474
• D) 6.3070

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Definitions:

Acute Laryngotracheobronchitis

A serious inflammation of the larynx, trachea, and bronchi primarily affecting children and leading to airway obstruction.

Respiratory Efforts

The work the body exerts to breathe, including the use of muscles in the chest and diaphragm to inhale and exhale air.

Mother's Presence

The physical or emotional availability and support of a mother, which can significantly impact a child's development and well-being.

Nasopharyngitis

Inflammation of the nasal passages and pharynx, commonly known as the common cold.