Question: Joan’s Nursery specializes in custom-designed landscaping for residential areas. The estimate labor cost associated with a particular landscaping proposal is based on the number pf planting of trees, shrubs, and so on to be used for the project. For cost estimating purpose, managers use two hours of labor time for the planting of medium sized tree. Actual times from a sample of 10 plantings during the past month follow.

1.7 1.5 2.6 2.2 2.4 2.3 2.6 3.0 1.4 2.3

With a .05 level of significance, test to see whether the mean tree-planting time differs from two hours.

1. State the null and alternative hypotheses
2. Compute the sample mean
3. Compute the sample standard deviation
4. What is the p-value?
5. What is your conclusion?

Price: $2.99

Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document