Pets The American Veterinary Association claims that theannual cost of medical care for dogs averages $100, witha standard deviation of $30, and for cats averages $120,with a standard deviation of $35.a) What’s the expected difference in the cost of medicalcare for dogs and cats?b) What’s the standard deviation of that difference?c) If the costs can be described by Normal models,what’s the probability that medical expenses are higherfor someone’s dog than for her cat?d) What concerns do you have?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.