A Producer of a New Diet Supplement Pill Boasts That

question 36

Multiple Choice

A producer of a new diet supplement pill boasts that their product helps users lose more weight than the current leading brand. The provide evidence from a double-blind placebo controlled randomized clinical trial which tested the null hypothesis H₀: µnew - µold = 0 against the alternative HA: µnew - µold > 0 where µ represents the mean weight loss. Which of the following would be a Type I error?

• A) Applying these results to all diet supplement pills, old and new.
• B) Deciding that dieters on the new pill don't lose more weight, when in fact they do.
• C) Deciding that dieters on the new pill don't lose more weight, when in fact they don't.
• D) Deciding that dieters on the new pill lose more weight, when in fact they don't.
• E) Deciding that dieters on the new pill lose more weight, when in fact they do.

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Definitions:

Moderate Intensity

A level of exercise intensity where physical activity raises the heart rate to 50-70% of the maximum heart rate, noticeable by increased breathing and sweating.

High Intensity

Activities or situations that require a great deal of effort, energy, or concentration.

Chronic Obstructive Pulmonary Disease

A long-term lung disease characterized by a persistent blockage of airflow, leading to difficulty breathing.

Isometric Exercises

Physical exercises where muscles contract without any visible movement, aiming to increase strength.