The Value of the Sum of the Deviations from the Mean

question 130

Multiple Choice

The value of the sum of the deviations from the mean, i.e., $\sum ( x - \bar { x } )$ must always be

• A) less than the zero.
• B) negative.
• C) either positive or negative depending on whether the mean is negative or positive.
• D) zero.

Apply the concept of significant figures to mathematical operations (addition, subtraction, multiplication, division).

Understand the structure and function of plant epidermal cells, including the role of the cuticle.

Comprehend the components and structure of a phytomer.

Grasp the organization and characteristics of plant cell walls, including primary and secondary walls.

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Definitions:

OTTFFSSENT

OTTFFSSENT is a mnemonic device used to remember the initial letters of the first ten numbers in sequence: One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten.

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