A student wants to study how the wheat production ( P, measured in million tons) has changed from 2000 to 2010 . To eliminate the effect of the unobserved variables that are constant over time, the student specifies the regression in changes. He randomly selects 100 rural counties in the country and estimates the following regression: (P2010P2000)=2.54+1.75(M2010M2000).(0.09)(0.95) where M denotes the moisture content of the soil. Standard errors are given in parentheses. The student wants to test whether or not the change in the moisture content of the soil from 2000 to 2010 had a significant impact on the change in the wheat production from 2000 to 2010. Suppose 0 and 1 denote the intercept and slope coefficient on the change in M, respectively. The test statistic associated with the test the student wants to conduct (H0:1=0 vs. H1:1=0) is (Round your answer to two decimal places.)