If 100 Independent Hypothesis Tests Are Conducted Using a Significance

question 18

Multiple Choice

If 100 independent hypothesis tests are conducted using a significance level of 0.10, and if all of the null hypotheses are true, what is the expected number of false positives (type I errors) ?

• A)0
• B)5
• C)10
• D)There is not enough information to say.

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Definitions:

Pressure Ulcer

Localized injury to the skin and/or underlying tissue, usually over a bony prominence, as a result of pressure or pressure in combination with shear and/or friction.

Paraplegic

Paraplegic refers to a person who has lost the ability to move or feel both legs and sometimes parts of the lower body, often due to spinal cord injury or disease.

Axillary Crutch

A type of mobility aid that helps support the body's weight while walking, fitting under the armpit and held by the hand.

Platform Crutch

A type of crutch that has a platform for the forearm to rest upon, providing support and stability for individuals who cannot use traditional underarm crutches.