DrCyril Conducts a Simple Random Sample of 500 Men Who

question 54

Multiple Choice

Dr.Cyril conducts a simple random sample of 500 men who became fathers for the first time in the last year.He finds that 23% of them report being unsure of their ability to be good fathers,plus or minus 4%.If Dr.Cyril increased his sample size to 1,000,which of the following would happen?

• A)The true estimate would increase.
• B)The margin of error would become smaller.
• C)External validity would become less important.
• D)Statistical validity would become negatively affected.

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Definitions:

Chyme

The fluid mixture of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion.

Gastric Juices

A mixture of mucus, hydrochloric acid, and digestive enzymes produced by the stomach lining to aid in the digestion of food.

Bolus

A mass of chewed food at the moment of swallowing.

Stomach Wall

The layers of muscle and tissue that encase the stomach, responsible for the mechanical and chemical breakdown of food.