What statistical test is this?

A researcher is interested in whether people who work in the office have higher social level than people who work from home. Use the R output below and a significance level of 5% to answer the following question. t. test (office, home, alternative = "greater") Welch Two Sample t-test data: office and home t = 1.6877, df = 11.962, p-value = 0.05867 alternative hypothesis: true difference in means is greater than 0 95 percent confidence interval: -0. 1046056 Inf sample estimates: mean of x mean of y 27 . 85714 26.00000 What statistical test is this? O One-Sample T-Test for Mean O Chi-Square Test One-Sample Z-Test for Mean O Two-Sample T-Test for Mean