Ariana gets 18.2 points, on average, in each basketball game she plays, with a standard deviation of 2.6. She decided to see if using a new shooting technique would increase her average. She used the new technique for 8 games. For those 8 games, Ariana got an average of 18.7 points. Ariana conducts a one-mean hypothesis at the 10% significance level, to test if the new technique helped her get more points in each game. (a) H0:=18.2; Ha:>18.2, which is a right-tailed test. (b) Determine the test statistic, rounded to THREE decimal places