Three Discrete Types of Muscle Fibers Are Identified on the Basis

question 53

Multiple Choice

Three discrete types of muscle fibers are identified on the basis of their size,speed,and endurance.Which of the following athletic endeavors best represents the use of red fibers?

• A)a long,relaxing swim
• B)mountain climbing
• C)a sprint by an Olympic runner
• D)playing baseball or basketball

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Definitions:

Null Hypothesis

A hypothesis used in statistical testing that assumes there is no significant difference or effect and that the observed outcomes are due to chance.

Rejecting

In statistical hypothesis testing, the act of concluding that there is enough evidence to discard the null hypothesis in favor of the alternative hypothesis.

T-Test Statistic

A type of inferential statistic used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Formula

A concise way of expressing information symbolically, as in a mathematical or chemical formula, representing a relationship between variables.