When Determining the Sample Size for a Proportion for a Given

question 43

Multiple Choice

When determining the sample size for a proportion for a given level of confidence and sampling error, the closer to 0.50 that u is estimated to be, the sample size required

• A) is smaller.
• B) can be smaller, larger or unaffected.
• C) is larger.
• D) is not affected.

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Definitions:

Needle

A slender, sharp instrument typically made of metal, used for injecting substances into the body or withdrawing fluids from it.

Syringe Method

A technique involving a syringe for injecting substances into the body, withdrawing fluids, or applying suction.

Venipuncture

The process of puncturing a vein with a needle to draw blood or administer medication.

Capillary Puncture

A medical technique involving the puncture of a capillary vessel, usually in the finger or earlobe, to obtain a small blood sample for testing.