Find the Common Difference,d, of the Given Arithmetic Sequence

question 52

Multiple Choice

Find the common difference,d, of the given arithmetic sequence.
--15, -18, -21, -24, …

• A) -6
• B)-9
• C)-3

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Definitions:

Factorial Experiment

An experimental strategy that involves systematically varying all possible combinations of levels across multiple factors to determine their effects on a response variable.

Two-factor ANOVA

A statistical method used to analyze the effects of two independent variables on a single continuous dependent variable.

Occipital Nerve

A nerve located in the back of the head that is responsible for carrying sensations from the scalp to the brain.

Significance Level

The threshold at which the results of statistical analysis are considered to be statistically significant.