The Standard Deviation of a Sample of 81 Observations Equals

question 25

Multiple Choice

The standard deviation of a sample of 81 observations equals 49. The variance of the sample equals

• A) 7.
• B) 9.
• C) 2401.
• D) 6561.

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Definitions:

Repressor

A protein that binds to specific sites on DNA, preventing the transcription of certain genes and regulating gene expression.

RNA Polymerase

An enzyme responsible for synthesizing RNA from a DNA template, playing a crucial role in gene transcription.

Alternative RNA Splicing

A post-transcriptional process in which exons or introns are selectively included in or excluded from a final mRNA transcript, thus allowing a single gene to code for multiple proteins.

Acetyl Groups

Functional groups in organic chemistry that consist of a methyl group single-bonded to a carbonyl. The formula is CH3CO-.