The following is data a veterinarian collected from some of her clients.It is a rough estimate of a dog's weight and how long the dog lived. 
a.Calculate the covariance between a dog's weight and its life span.
B)Calculate and interpret the correlation coefficient.
Definitions:
Cohen's D
A gauge for quantifying the size of impact by showing the normalized discrepancy between two mean values.
Large Effect
A significant and substantial difference or impact observed in the context of a statistical analysis or experimental study.
Effect Size
A quantitative measure of the magnitude of the experimental effect from a research study.
Cohen
Refers often to Cohen's statistical measures such as Cohen's kappa, Cohen's d, indicating effect size or agreement between raters in various contexts.
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