What Answer Should Be Reported, with the Correct Number of Significant

question 112

Multiple Choice

What answer should be reported, with the correct number of significant figures, for the following calculation? -log(3.28 × 10^-3)

• A) 2
• B) 2.484
• C) 2.4841
• D) 2.48
• E) 2.5

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Definitions:

Sample Mean

The average of all observations or data points in a sample, used as an estimate of the population mean.

Population Standard Deviation

A measure of the dispersion or spread of a population's values around its mean, quantifying variability.

P-value Method

A statistical approach used to determine the significance of results in hypothesis testing, indicating the probability of observing data as extreme as the sample data.

Null Hypothesis

It is a hypothesis that assumes no significant difference or effect; it is the statement tested in statistical hypothesis testing to determine the likelihood of the observed data.