The sum of the absolute frequencies is equal to the total number of data, represented bas $$N$$. Relative frequency: the result of dividing the absolute frequency of a certain value by the total number of data.
exists and is an alternate of . Cats usually live up to around 15-17 years, but some can live over 20 years old. Cats usually live up to around 15-17 years, but some can live over 20 years old.
According to Web MD, the average life expectancy for house cats is about 15 years. However, some cats can live to be over 20 years old. A given cat's longevity is influenced by genetics, diet, environment and luck.