If the Chosen Significance Level Is α = 0

question 28

Multiple Choice

If the chosen significance level is α = 0.05, then ________.

• A) there is a 5% probability of rejecting a true null hypothesis
• B) there is a 5% probability of accepting a true null hypothesis
• C) there is a 5% probability of rejecting a false null hypothesis
• D) there is a 5% probability of accepting a false null hypothesis

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Definitions:

Brain Volume

The total capacity or size of the brain, measured in cubic centimeters or milliliters, important in assessing brain health and development.

Aerobic Exercise

Physical activity that improves the efficiency of the cardiovascular system in absorbing and transporting oxygen, typically through sustained movements like walking, running, or cycling.

Antioxidants

Substances that can prevent or slow damage to cells caused by free radicals, unstable molecules that the body produces as a reaction to environmental and other pressures.

Prefrontal Cortex

Located in the front of the brain, responsible for higher thought, such as planning, goal setting, controlling impulses, and using cognitive skills and memory to solve problems.