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a researcher investigating stress levels among university students during final exam periods. Previous research suggests that the average stress level during this time is 60

a researcher investigating stress levels among university students during final exam periods. Previous research suggests that the average stress level during this time is 60 on a standardized stress scale with a standard deviation of 8. You have collected data from a sample of 100 university students during their final exam week. The sample mean stress level is found to be 65. Y

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