Do One of the Following, as Appropriate: (A) Find the Critical

question 33

Multiple Choice

Do one of the following, as appropriate: (a) Find the critical value $z _ { \alpha / 2 }$ , (b) find the critical value $t _ { \alpha / 2 }$ , (c) state that neither the normal nor the t distribution applies.
90% confidence interval for $\mu ; \quad n = 9 ; \sigma = 4.2$ population appears to be very skewed.

• A) \(z _ { a / 2 } = 2.896\)
• B) \(z _ { \alpha / 2 } = 2.365\)
• C) \(z _ { \alpha / 2 } = 2.306\)
• D) Neither the normal nor the t distribution applies.

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Definitions:

Forgetting Curve

A hypothesis that describes the decline of memory retention in time, suggesting that information is lost over time when there is no attempt to retain it.

Ebbinghaus

Refers to Hermann Ebbinghaus, a psychologist known for his research on memory, specifically the forgetting curve and the spacing effect.

Forgetting Curve

A hypothesized graph showing the decline of memory retention in time, illustrating how information is lost over time when there is no attempt to retain it.

Cornell System

A note-taking system that divides a page into three sections: cues, notes, and summary, to organize information efficiently.