The two-sample t-test is one of the most commonly used hypothesis tests in six sigma work. it is applied to compare whether the average difference between two groups is really significant or if it is due instead to random chance. select an application of the two-sample t-test and describe how it was justified to use the t-test for this particular application.

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.