A Random Sample of Size 25 Taken from a Normally

question 38

Multiple Choice

A random sample of size 25 taken from a normally distributed population resulted in a sample standard deviation of 0.93054.A 99% confidence interval for the population variance would be:

• A) (9.886, 45.559).
• B) (3.144, 6.750).
• C) (0.678, 1.449).
• D) (0.456, 2.102).

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Definitions:

Experiment

A controlled procedure carried out to discover, demonstrate, or test a hypothesis, involving manipulation of variables to observe the effect on some phenomena.

Absent From Work

Not present at one's place of employment during scheduled working hours, for reasons such as illness, personal matters, or vacation.

Aerobic Exercise

Physical activity that improves the efficiency of the cardiovascular system in absorbing and transporting oxygen, typically performed at moderate intensity over extended periods.

Diet

The combination of foods and beverages consumed by an individual or group, often considered in the context of nutrition and health.