What is a life table? Explain its uses and limitations.

A life table is a statistical tool used extensively in demography and actuarial science to analyze and project the mortality, survival, and life expectancy of a population or a cohort of individuals over a specific period of time. Life tables are crucial for understanding the dynamics of populations, making predictions about future trends, and guiding various policy and planning decisions. However, while life tables offer valuable insights, they also come with certain limitations that need to be taken into account when interpreting the results.

Definition and Components: A life table is essentially a set of age-specific mortality rates and other related statistics that provide a comprehensive view of the mortality experiences of a population. It is usually constructed for a hypothetical cohort of individuals born or entering a population at the same time. The primary components of a life table include:

1. Age: The age of individuals is the central variable in a life table. The population is divided into different age groups, and various calculations ________ ___ ___ ____ ______ ____ ________ ___.
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