A Random Sample of 20 Observations Is Selected from a Normally

question 94

Multiple Choice

A random sample of 20 observations is selected from a normally distributed population. The sample variance is 12. What is the upper limit of the 95% confidence interval for the population variance?

• A) 6.940
• B) 7.564
• C) 22.536
• D) 25.599

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Definitions:

U.S. Population

The total number of people living in the United States, including all ethnicities and demographic segments.

Older Than 65

The demographic group classified as senior citizens, typically associated with the age at which one is considered eligible for government-assisted retirement benefits.

Strains Of Caregiving

The pressures, stresses, or burdens experienced by individuals who provide care for others, often leading to physical or emotional strain.

Daily Routines

The series of tasks or activities that an individual regularly follows in a day.