Could Eye Color Be a Warning Signal for Hearing Loss

question 91

Essay

Could eye color be a warning signal for hearing loss in patients suffering from meningitis?
British researcher Helen Cullington recorded the eye color of 130 deaf patients, and noted
whether the patient's deafness had developed following treatment for meningitis. Her data
are summarized in the table below. Test an appropriate hypothesis and state your
conclusion.

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Definitions:

Correlation Effects

Observations of how two variables are associated with one another, though this does not imply causation.

Memory Training

Techniques or exercises aimed at improving an individual's ability to remember information.

Control Group

In experimental research, the group of participants who do not receive the treatment being tested and are used as a benchmark to measure the treatment's effect.

Stress

A state of mental or emotional strain resulting from adverse or demanding circumstances.