During a Cold Winter, the Temperature Stayed Below Zero for Ten

question 93

Multiple Choice

During a cold winter, the temperature stayed below zero for ten days (ranging from -20 to -5) . The variance of the temperatures of the ten-day period

• A) is negative since all the numbers are negative.
• B) must be at least zero.
• C) cannot be computed since all the numbers are negative.
• D) can be either negative or positive.

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Definitions:

Honest Indicator

A trait that gives accurate signals or information about an organism's genetic quality or fitness, often used in mating and survival strategies.

Heritable Trait

A characteristic that is genetically passed from parents to their offspring.

Sexual Reproduction

A biological process that involves the combination of genetic material from two parents to produce offspring with genetic variation.

Hermaphroditic Flower

A flower that contains both male (stamen) and female (pistil) reproductive structures, allowing it to self-pollinate or cross-pollinate.