Information regarding the price of a roll of camera film (35 mm, 24 exposure) for a sample of 12 cities worldwide is shown below. Determine a 95% confidence interval for the population mean. 
Definitions:
Characters Described
Refers to the detailed portrayal or depiction of individuals in literature or study, focusing on their traits, motivations, and psychological makeup.
Actions Mentioned
Typically refers to the specific behaviors or deeds that are discussed or highlighted within a specific context or narrative.
Level of Description
The degree of detail that is used in explaining or discussing a concept, phenomenon, or system.
Psychological Essentialism
is the belief that certain categories, especially biological ones like gender or species, have an underlying essence that makes them what they are.
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