Hello, can you please help me with the problem shown below?

A t-statistic of three means that the sample mean was three ______ above the hypothesized value or the population value. 0 standard errors 0 degrees of freedom For the R command below, the independent variable is t.test(gss$income ~ gss$age, conf.level = .95) Ogss$income Ogss$age O conf.level O t.test