1. Employees in a large company are entitled to 15-minute coffee breaks. A
random sample of the duration of coffee breaks for ten employees was taken,
with the times shown as: 12, 16, 14, 18, 21, 17, 19, 15, 18, and 16.
Assuming that the times are normally distributed, is there enough evidence
at the 5% significance level to indicate that on average employees are taking
longer coffee breaks than they are entitled to? (11 marks)
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sorry I have no ideaaaaaaaa
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