Standard Deviation Is Defined As

question 5

Multiple Choice

Standard deviation is defined as:

• A) a difference score based on the lowest and highest value in the set.
• B) scores grouped so that the range in each set is standardized and equal.
• C) scores that have been standardized to have a mean of zero.
• D) the average difference between the mean and each of the scores in the set.

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Definitions:

Pollen

Fine to coarse powdery substance comprising pollen grains, which are male microgametophytes of seed plants, responsible for the fertilization of the female ovule.

Self-incompatibility

A mechanism in some plants that prevents self-fertilization and promotes genetic diversity by rejecting pollen from the same or genetically similar plant.

Pollen Tube

A tube that forms from a pollen grain and grows toward the ovule to enable sperm to pass directly to an egg for fertilization in plants.

Diploid

An organism or cell that contains two complete sets of chromosomes, one from each parent.