If Two Populations Are Normally Distributed,the Sampling Distribution of the Difference

question 113

Multiple Choice

If two populations are normally distributed,the sampling distribution of the difference in the sample means, ,is:

• A)approximately normal for any sample sizes.
• B)approximately normal if both sample sizes are large.
• C)exactly normal only if both sample sizes are large.
• D)exactly normal for any sample sizes.

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Definitions:

Retrograde Amnesia

A condition in which a person loses memories of events that occurred before a traumatic event.

Anterograde Amnesia

A condition in which the ability to form new memories following the onset of amnesia is impaired or lost, while long-term memories from before the amnesia remain accessible.

Head Injury

Physical trauma to the head leading to brain damage, which can affect a person's cognitive functions, physical abilities, or emotional behavior.

Hippocampal Region

A complex brain structure embedded deep into temporal lobe, playing a major role in learning and memory.