Higher risk of cataracts late in life

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A researcher is interested in studying whether people with high levels of sun exposure have a higher risk of cataracts late in life. She follow a cohort of cataract-free patients for one year to see how many develop cataracts, then compared this to the overall population incidence using a Is a one-sided or two-sided test most appropriate here, and why.

Reference no: EM132399678

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