Length of stay of workers at the company differs

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Can we conclude the mean length of stay of employees at the company differs from the mean length of stay at that dangerous industry?

The mean length of stay of employees in a dangerous industry is 16.7 months. One hundred randomly selected employees at the company had a mean length of stay of 17.8 months. At the 0.05 significance level, do the data provide sufficient evidence to conclude the mean length of stay of employees at the company differs from the mean length of stay at that dangerous industry? Assume that the population standard deviation of lengths of stay in that dangerous industry is 6.0 months.

Reference no: EM1316447

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