A Researcher in Sports Psychology Is Interested in the Resting

question 28

Multiple Choice

A researcher in sports psychology is interested in the resting pulse rate of long-distance college runners.She does some research and finds data from the U.S.Olympics team showing their long-distance runners have a resting pulse rate of 60 beats per minute.She wants to know if the pulse rate for college runners is different from the Olympic team's m of 60.She randomly samples 20 long-distance runners,and finds
What is the estimated standard error of the mean?

• A).28
• B)5.71
• C)1.28
• D)60.03

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Definitions:

Commensalism

Species interaction that benefits one species and neither helps nor harms the other.

Mutualism

A type of symbiotic relationship between two species where both partners benefit from the interaction.

Predation

One species captures, kills, and eats another.

Parasitism

Relationship in which one species withdraws nutrients from another species, without immediately killing it.