The Comparison Distribution for a T Test for Independent Means

question 24

Multiple Choice

The comparison distribution for a t test for independent means is a t distribution (as opposed to a normal curve) because:

• A)tables are not available for the normal curve
• B)the population variance is estimated
• C)Z distributions were not used at the time the t test for independent means was invented
• D)there are more degrees of freedom for a single sample than for when you use two samples

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Definitions:

Pull Processes

Manufacturing or production processes initiated by actual customer demand rather than forecasting, aiming to reduce inventory and increase efficiency.

Speculative Processes

Refers to procedures or methods based on conjecture rather than knowledge, often used in finance or trading to make decisions based on potential future events.

Reactive Processes

Processes that are initiated in response to specific situations or changes, rather than being pre-planned or proactive.

Supply Chain

The entire network of entities, directly or indirectly interlinked and interdependent, involved in producing and delivering a product or service from suppliers to the end consumer.