Whenever Using the T Distribution for Interval Estimation (When the Sample

question 22

Multiple Choice

Whenever using the t distribution for interval estimation (when the sample size is very small) , we must assume that

• A)the sample has a mean of at least 30
• B)the sampling distribution is not normal
• C)the population is approximately normal
• D)the finite population correction factor is necessary

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Definitions:

Bald Tires

Tires that have lost their tread, leading to decreased performance and increased risk of accidents.

Reasonable Period

An amount of time that is fair and sensible under the circumstances for a particular action to be completed or evaluated.

Durability

The ability of a product or material to withstand wear, pressure, or damage, maintaining its functionality and appearance over time.