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Abstract

This study was undertaken to determine the association between life spans and breed size in the dog, based upon data derived from the pet population.
Seventy-seven American Kennel Club breeds were analyzed with data collected for more than 700 dogs. Multiple linear regression analysis was carried
out with longevity as the dependent variable and height or weight as the independent variable. A negative correlation was observed between height and
longevity (r = -0.603, p < 0.05), and between weight and longevity (r = -0.679, p < 0.05). Weight was the significant predictor of life span (p < 0.001),
revealing that breeds smaller by weight generally live longer than heavier breeds. These data form the ground work for investigations of aging utilizing
the dog as a model and provide owners with a quantitative method for predicting lifespan of dog breeds, thereby aiding in pet selection.
a) People
b) Dog owners
c) American Kennel Club breeds
d) Dogs

User Marcelino
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1 Answer

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Final answer:

The study investigates the correlation between dog breed size and lifespan, highlighting a negative correlation where smaller breeds live longer. It emphasizes the role of genetic inheritance and the importance of statistical analysis in biological research and decision-making.

Step-by-step explanation:

The study in question pertains to the association between life spans and breed size in dogs, a topic rooted in biology with specific relevance to genetics and statistics. The key findings involve a negative correlation between both height and weight with longevity, suggesting that generally, smaller breeds tend to live longer than larger breeds. Genetic inheritance plays a significant role in understanding such phenomena, whether analyzing the makeup of modern dog breeds or looking into the genetic diversity of ancient dogs. Moreover, the principles of statistics are crucial in organizing and interpreting data related to physical characteristics such as height and weight, not only in dogs but across a variety of living organisms and inanimate phenomena, like altitude and air density relationships.

Understanding the variation in data and the typical patterns that emerge from statistical analysis helps researchers and potentially dog owners make informed decisions or predictions, such as estimating the lifespan of different dog breeds based on size. An understanding of statistics, backed by computer programs, facilitates this data organization and analysis significantly, which is why such skills are commonly enlisted in economics and social science disciplines.

User Flitzwald
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