Suppose That Your Task Is to Estimate the Mean of a Normally

question 116

Short Answer

Suppose that your task is to estimate the mean of a normally distributed population to within 10 units with 95% confidence and that the population standard deviation is known to be 70.
What sample size should you use, changing the standard deviation to 50?

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Definitions:

Psychophysical Function

The relationship between physical stimuli and the sensations and perceptions they produce.

Magnitude Estimation

A psychophysical method where participants assess and assign numerical values to the magnitude of a stimulus, comparing it to a reference.

Perception Study

A research area focused on how individuals interpret and make sense of sensory information.

Absolute Threshold

The minimum stimulus intensity that an organism can detect 50% of the time, which varies from one sensory modality to another.