Whale Songs Are No Longer Being Transmitted as Far as They

question 55

Multiple Choice

Whale songs are no longer being transmitted as far as they once were due to:

• A)an increase in the variety of species in a single area.
• B)an increase in noise pollution created by humans.
• C)an increase in the amount of distance between whale pods.
• D)a decrease in the number of whales in the ocean.

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Definitions:

Slope

A measure of the steepness or incline of a line, typically calculated as the ratio of the vertical change to the horizontal change between two points on the line.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis.

Confidence Interval

A span of values resulting from sample statistical analysis, likely enveloping the value of an unidentified population characteristic.

Standard Error

The typical deviation found within the distribution of sample data, often associated with the average.