A Sample of 21 Elements Is Selected to Estimate a 90

question 37

Multiple Choice

A sample of 21 elements is selected to estimate a 90% confidence interval for the variance of the population. The chi-square value(s) to be used for this interval estimation is(are)

• A) 31.410.
• B) 12.443.
• C) 10.851 and 31.410.
• D) 12.443 and 28.412.

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Definitions:

Cerebrum

The largest part of the brain, responsible for higher brain functions such as thought and action.

Fibers

Threadlike structures forming animal or vegetable tissue; in technology, often refers to materials used in making textiles or composites.

Auditory Cortex

The region of the brain that processes auditory information, allowing for the perception of sounds.

Temporal Lobes

Lobes at the sides of the brain’s cerebral cortex; they contain areas involved in hearing, memory, perception, emotion, and (in the left lobe, typically) language comprehension.