The Sampling Distribution of Differences Between Means Approximates a Normal

question 27

Multiple Choice

The sampling distribution of differences between means approximates a normal curve
Whose __________ is zero.

• A)mode
• B)median
• C)mean
• D)st andard deviation

---

Definitions:

Indicator Species

Organisms used to assess the health of an ecosystem because their presence, absence, or abundance reflects a specific environmental condition.

Environmental Degradation

The deterioration of the environment through depletion of resources, destruction of ecosystems, and the extinction of wildlife.

Sensitive

Capable of detecting or responding to slight changes, signals, or influences.

Mutualism

A type of symbiotic relationship where both participants benefit.