Joan's Nursery specializes in custom-designed landscaping for residential areas. The estimated labor cost associated with a particular landscaping proposal is based on the number of plantings of trees, shrubs, and so on to be used for the project. For cost estimating purposes, managers use two hours of labor time for the planting of a medium-sized tree. Actual times from a sample of plantings 10 during the past month follow (times in hours).3.4, 2.2, 1.5, 2.7, 1.8, 2.3, 1.7, 2.9, 2.4, 2.3

Find the test statistic and p-value.

(to decimal