THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 87

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A random sample of 10 stock market mutual funds was taken.Suppose that rates of returns on the population of stock market mutual funds follow a normal distribution.
-Suppose that a sample of 20 mutual funds had been taken.Without doing the calculations,indicate how this would change the 95% interval for the population variance when a random sample of 10 stock market mutual funds was taken.

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Definitions:

Biological Treatments

Medical interventions that act on the biological structures or processes of the body, often used in treating mental health conditions.

Mental Illness

A wide range of mental health conditions that affect mood, thinking, and behavior, including disorders such as depression, anxiety disorders, and schizophrenia.

First Half of the 1900s

A period referring to the years between 1900 and 1950, notable for significant historical events including two World Wars.

Ethnic Identity

A person's sense of belonging to a particular ethnic group, incorporating aspects such as heritage, culture, language, and religion.