A Statistically Significant Difference Between Two Sample Groups Is NOT

question 48

Multiple Choice

A statistically significant difference between two sample groups is NOT likely to be

• A) a reflection of differences between the populations they represent.
• B) due to chance variation within and between the sample groups.
• C) observed more than 5 percent of the time the groups are compared.
• D) observed when the two groups are very large.

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Definitions:

Mean

The arithmetic average of a set of numbers, calculated by adding all the numbers together and then dividing by the count of those numbers.

Median

A statistical measure representing the middle value in a dataset, dividing it into two equal halves.

Chemistry Exam

An evaluation or test focusing on chemical concepts, principles, and formulas.

Descriptive Statistics

Statistical methods that summarize and organize the properties of a set of data.