The $z _ { \alpha / 2 }$ Value for a 95% Confidence Interval Estimate for a Population

question 4

Multiple Choice

The $z _ { \alpha / 2 }$ value for a 95% confidence interval estimate for a population mean $\mu$ is

• A)0.95
• B)0.025
• C)1.65
• D)1.96

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Definitions:

Hippocampus

A region of the brain associated with memory formation, learning, and emotions.

Infantile Amnesia

Inability to recall events that occur prior to the age of three or so; also termed childhood amnesia.

Serial-position Effect

A memory phenomenon in which recall accuracy varies as a function of an item's position in a study list, with better recall of items at the beginning and end.