A Rabbit Trying to Escape a Fox Runs North for 8.0

question 69

Multiple Choice

A rabbit trying to escape a fox runs north for 8.0 m, darts northwest for 1.0 m, then drops 1.0 m down a hole into its burrow. What is the magnitude of the net displacement of the rabbit?

• A) 8.8 m
• B) 8.1 m
• C) 66 m
• D) 10 m

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Definitions:

Confidence Interval

Values range, derived from statistical samples, that possibly includes the value of an elusive population parameter.

Population Mean

The average value of a set of characteristics within a full population, calculated by summing all the values and dividing by the number of observations.

Sample Mean

The average value of all the observations in a sample, calculated as the sum of the observations divided by the number of observations in the sample.

Confidence Interval

It expresses the degree of uncertainty or certainty in a sampling method, represented as a range within which an estimated parameter is expected to lie.