A Simple Random Sample of the Running Time of Movies

question 27

Essay

A simple random sample of the running time of movies of 70 international movies resulted in a sample mean length of 112 minutes and a sample standard deviation of 7 minutes. Test the claim that international movies have a mean running time of more than 110 minutes at the 5% level of significance. Assume that the lengths of movies are normally distributed.

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Definitions:

Evaluation Apprehension

The anxiety or concern individuals may feel when they know they are being assessed or judged by others, which can impact performance.

Production Blocking

A hindrance in group ideation processes where an individual's contribution is limited or delayed due to the need to take turns.

Constructive Conflict

A type of conflict in which the involved parties benefit from a disagreement, leading to creative solutions, growth, and enhancement of relationships.

Dialogue

The process of open and meaningful communication that allows for the exchange of ideas, thoughts, and information.