A Researcher Conducted a Survey to Determine If Older People $\pm$

question 21

Multiple Choice

A researcher conducted a survey to determine if older people have different feelings about abortion than younger people.He used an alpha level of 0.05 (Z critical = $\pm$ 1.96) to test for significance and found that his computed test statistic was 2.76.He may conclude that

• A)the difference occurred by random chance.
• B)the difference did not occur by random chance.
• C)the samples are not independent.
• D)the alpha level was too low.

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Definitions:

Potassium

A vital mineral and electrolyte necessary for the proper functioning of nerve and muscle cells, including the heart.

Diuretic

A medication or substance that promotes the production of urine by the kidneys, helping to remove excess water and salt from the body.

Cardiac Catheterization

A medical procedure used to diagnose and treat some cardiovascular conditions by inserting a catheter into a chamber or vessel of the heart.