A Test on World History Was Given to a Group

question 53

Essay

A test on world history was given to a group of individuals before and also after a film on the history of the world was presented. The results are given below. We want to determine if the film significantly increased the test scores. (For the following matched samples, let the difference "d" be d = after - before.)
a.Give the hypotheses for this problem.
b.Compute the test statistic.
c.At 95% confidence, test the hypotheses.

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Definitions:

Blindsight

A condition in which a person can respond to visual stimuli without consciously perceiving them, often after damage to the primary visual cortex.

Procedural Memory

A type of long-term memory responsible for knowing how to perform various actions and skills, such as riding a bike.

Selective Attention

The process by which a person focuses on one or a few select stimuli while ignoring others, allowing the individual to concentrate on important information.

Reticular Activating System

A network of neurons located in the brainstem that regulates wakefulness and sleep-wake transitions.