I. Look at column 1 in the table below, what is the t-statistic for the hypothesis \(H_0\) that the coefficient on tea*post is zero?

Please round your answer to two decimal points.

II. What is the \( 90% \) confidence interval for the coefficient tea*post. Enter the lower and upper bounds on the interval \([a,b].\) a=?, b=?

Please round your answer to 3 decimal points

Table 4 - Differences-in-Differences Estimates of the Effect of Planting Tea and Orchards on Sex Ratios: Coefficients of the Interactions between Dummies Indicating Whether a Cohort was Born Post Reform and Dummies Indicating Whether Any Tea Was Planted in the County of Birth Dependent Variable : Fraction of Male (1) (2) (3) (4) Tea * Post -0.0081 -0.0086 -0.0074 -0.0074 (0.0024) (0.0026) (0.0026) (0.0026) Orchard * Post 0.0096 0.0093 (0.0033) (0.0033) Cashcrop * Post 0.0007 0.0016 0.0016 (0.0007) (0.0011) (0.0011) Han N N N Y Observations 49082 49082 49082 49082 R-squared 0.09 0.09 0.09 0.09 All regressions include county fixed effect and controls for post and cash crops *post. Orchard and cashcrop are dummy variables for the amount of orchards and cashcrop planted in each county. Post = 1 for cohorts born 1979-1990. Standard errors clustered at county level