Why Is the Old-Age Dependency Ratio (OADR) Rising and Thus

question 89

Essay

Why is the old-age dependency ratio (OADR) rising and thus becoming a problem for certain countries?

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Definitions:

Level Of Significance

A predetermined threshold of probability below which the null hypothesis is rejected in hypothesis testing, typically set at 0.05 (5%).

Null Hypothesis

A hypothesis stating there is no significant difference or effect, or a specified parameter equals a certain value, in the population being studied.

Critical Value(s)

Threshold(s) in hypothesis testing that define the boundary or boundaries for rejecting the null hypothesis.

Null Hypothesis

A statement in hypothesis testing that there is no significant difference or effect, serving as the default assumption to be tested against.