A Person Whose Eyeball Is Shorter Than Normal Suffers from ________

question 39

Multiple Choice

A person whose eyeball is shorter than normal suffers from ________.

• A)farsightedness
• B)nearsightedness
• C)astigmatism
• D)cataracts

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Definitions:

Significant

Pertaining to results in statistical analysis, significant means the findings are unlikely to have occurred by chance and indicate a real effect or relationship.

Z-statistic

A statistical measure that quantifies the difference between a sample statistic and its population parameter, measured in units of the standard deviation.

Z-test

A statistical test used to determine whether there is a significant difference between the mean of a sample and the mean of a population, or between the means of two populations.

Z-statistic

A type of standard score that indicates how many standard deviations an element is from the mean of its distribution.