To Find the Standard Deviation of the Diameter of Wooden $s = 0.16$

question 18

Multiple Choice

To find the standard deviation of the diameter of wooden dowels, the manufacturer measures 19 randomly selected dowels and finds the standard deviation of the sample to be $s = 0.16$ . Find the $95 \%$ confidence interval for the population standard deviation $\sigma$ .

• A) \(0.12 < \sigma < 0.24\)
• B) \(0.15 < \sigma < 0.21\)
• C) \(0.11 < \sigma < 0.25\)
• D) \(0.13 < \sigma < 0.22\)

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Definitions:

DNA Transcribes

The process by which DNA is used as a template to produce messenger RNA (mRNA), initiating protein synthesis.

RNA

Ribonucleic acid, a nucleic acid present in all living cells, playing a role in protein synthesis and the transmission of genetic information.

Polypeptide

An organic linear polymer comprised of numerous amino-acid residues linked in a sequence, which constitutes a portion of or an entire protein molecule.

MRNA

Messenger RNA, a type of RNA that carries genetic information from DNA to the ribosome, where proteins are synthesized.