A Random Sample of 25 Observations Is Selected from a Normally

question 32

Multiple Choice

A random sample of 25 observations is selected from a normally distributed population.The sample variance is 10.In the 95% confidence interval for the population variance,the upper limit is:

• A)19.353
• B)17.331
• C)17.110
• D)6.097

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Definitions:

Short-term Memory

A component of memory where small amounts of information can be stored for a short duration, typically seconds to minutes.

Cross-sectional Study

A study format that examines information from a whole population or a representative sample at a particular moment.

Long-term Memory

The storage of information over an extended period, capable of lasting from minutes to a lifetime, encompassing facts, experiences, and skills.

Short-term Memory

A type of memory that holds a small amount of information for a short period, typically seconds to minutes.