Which of the Following Is Not a Method of Gradation

question 321

Multiple Choice

Which of the following is not a method of gradation of skeletal muscle contraction?

• A) twitch summation
• B) motor unit recruitment
• C) stimulating variable portions of each motor unit
• D) varying the number of motor units stimulated
• E) varying the frequency at which a motor unit is stimulated

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Definitions:

Sample Counts

The actual observed frequencies or totals of occurrences or items in sampled categories or groups.

Sample Proportions

The fraction or percentage of observations within a sample that fall into a particular category, useful for estimating population proportions in inferential statistics.

Standard Error

A measure that describes the distribution of sample means around the population mean, indicating the precision of the sample mean as an estimate of the population mean.

Plus Four Estimate

A method used in statistics to adjust a sample size by adding four observations: two at the high end and two at the low end of the dataset.