Justin Is Trying to Decide Which Nutritional Supplement He Should

question 238

Multiple Choice

Justin is trying to decide which nutritional supplement he should buy if he wants to gain muscle mass as quickly as possible. He sees lots advertised online but isn't sure which ones actually work. From a scientific approach, Justin should make a decision about which one to buy based on

• A)what his friends use.
• B)what the trainers at the local gym suggest.
• C)empirical evidence.
• D)what the people working out at the local gym use.
• E)price.

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Definitions:

Lower Control Limit

The lowest boundary in control charts that indicates the threshold below which a process may be out of control.

Population Mean

The average value of a set of characteristics within an entire population.

Confidence Interval

A breadth of values, resulting from sample statistics, presumed to harbor the value of an undetected population parameter.

Confidence Level

The probability, expressed as a percentage, that a statistical parameter (e.g., mean) for a population lies within a specified confidence interval.