Question: Joan's Nursery specializes in custom designed landscaping for residential areas. The labor cost associated with a particular landscaping proposal is estimated based on the number of plantings of trees, shrubs, and so on associated with the project. For labor costs estimating purposes, management allows a maximum of 2 hours of labor time for the planting of a medium-size tree. Actual times from a sample of 11 plantings of medium sized trees during the past month are as follows (times in hours).

2.8, 3.0, 2.6, 2.5, 2.8, 3.2, 2.2, 2.5, 2.6, 2.7,3.0

Using a 0.05 level of significance, test the claim that the mean tree planting time is 2 hours or less. What is your conclusion and what recommendations would you consider making to management?

Price: $2.99

Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document