In Computing the Mean of a Sample, the Value Of \Sigma

question 151

Multiple Choice

In computing the mean of a sample, the value of $\Sigma$ x_i is divided by

• A)n
• B)n - 1
• C)n + 1
• D)n - 2

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect in a given experiment or study, serving as a starting point for testing.

SRS

An abbreviation for Simple Random Sample, a sampling method where every member of the population has an equal chance of being selected.

Base Pair

A pair of nitrogenous bases, one purine and one pyrimidine, which form the rungs of the DNA double helix through hydrogen bonding.

Necessary Reagents

Substances required to carry out a specified chemical reaction.