Find the Critical Value or Values Of $\chi ^ { 2 }$

question 14

Multiple Choice

Find the critical value or values of $\chi ^ { 2 }$ based on the given information.
$\begin{array} { l } H _ { 1 } : \sigma < 0.629 \\n = 19 \\\alpha = 0.025\end{array}$

• A) \(8.907\)
• B) \(8.231\)
• C) \(7.015\)
• D) \(31.526\)

---

Definitions:

Certified Mail

A postal service that provides the sender with a mailing receipt and electronic verification that an article was delivered or that a delivery attempt was made.

Return Receipt

A postal service feature that provides the sender with proof of delivery, indicating the date the item was delivered and the recipient's signature.

Diagnostic Tests

Procedures used to identify diseases or conditions in a patient, typically involving the collection and analysis of blood, tissue, or other samples.

Information Sheets

Documents provided to patients or participants, detailing important information about procedures, studies, or treatments.