Construction Projects In a study to examine the relationship between the time requi...

Construction Projects In a study to examine the relationship between the time required to complete a construction project and several pertinent independent variables, an analyst compiled a list of four variables that might be useful in predicting the time to completion. These four variables were size of the contract , = 0) of a workers’ strike during the construction. Fifteen construction projects were randomly chosen, and each of the four variables as well as the time to completion were measured.

An analysis of these data using a first-order model in in predicting y?