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Pure-Bred Dogs Competing in Shows Must Often Meet Specific Height

question 20

Essay

Pure-bred dogs competing in shows must often meet specific height criteria to be within the breed standard. A new breed of dog, the pug-cock-a-poo, has been approved by a kennel club. To establish the breed standard, the organization of breeders has taken the height from a sample of 25 pug-cock-a-poos and found the sample mean to equal 14 inches. The variance of this sample is 2.25.
A) Construct a 90% confidence interval for the population mean height of the pug-cock-a-poos.
B) What assumption is necessary for constructing the aforementioned interval?


Definitions:

Psychological Factors

Elements related to cognitive, emotional, and behavioral aspects that influence an individual's mental health and well-being.

Systematic Approach

A methodical, step-by-step process or strategy for addressing problems or organizing complex tasks.

Moral Therapy

A historical approach to mental illness that emphasized humane treatment, moral discipline, and the therapeutic value of a structured environment.

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