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If the null hypothesis H0 : μx - μy ≤ 0 is rejected against the alternative H1 : μx - μy > 0 at the 5% level of significance,then using the same data,it must be rejected against that alternative at the 1% level.
Middle and Upper Classes
Social groups categorized by higher levels of wealth, income, education, or occupational prestige compared to the working or lower classes.
Gender Role
Societal norms dictating the behaviors, tasks, and responsibilities that are considered appropriate for men and women.
Mortality Rate
A measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.
Fatal Illnesses
Diseases that lead directly to death, often characterized by a lack of effective treatment or cure.
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