What Effect Would Increasing the Sample Size Have on the Confidence

question 4

Multiple Choice

What effect would increasing the sample size have on the confidence intervals of the group?

• A) Confidence intervals would decrease in size.
• B) Confidence intervals would increase in size.
• C) Confidence intervals are unaffected by sample size.
• D) Confidence intervals could either increase or decrease in size.

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Definitions:

Lipid Molecule

Organic molecules that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.

Phospholipid

Molecule that forms the bilayer of the cell’s membranes; has a polar, hydrophilic head bonded to two nonpolar, hydrophobic tails.

Functional Group

A specific grouping of atoms within a molecule that is responsible for a characteristic chemical reaction.

Carbohydrate Molecules

Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a major energy source for the body.