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.
The average lifespan of a cat living indoors is higher than that of a cat on the street, even if that cat is only on the street part of the time. The average lifespan of a cat has increased dramatically in the past 20 years as veterinary care has become more sophisticated.The average life expectancy for a strictly indoor cat is 12 to 15 years.Many live to be much longer; the oldest cat on record died at the age of 38 years and 3 days, according to the Guinness Book of World Records.he average lifespan of a cat living indoors is higher than that of a cat on the street, even if that cat is only on the street part of the time. The average lifespan of a cat has increased dramatically in the past 20 years as veterinary care has become more sophisticated.