Question

a. What fraction of the variation in experience can be explained by the fact that some employees are older than others?
b. How much experience would you expect for a 42-year-old individual?
c. Find the 95% confidence interval for the experience of a new individual (from the same population from which the data were drawn) who is 42 years old.
d. Find the 95% confidence interval for the mean experience of all 42-year-olds in the population.


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  • CreatedNovember 11, 2015
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