The researcher asked the 16 players' coaches to rate them on how well they performed under pressure using a 10-point scale where a 10 stood for performing well and a 1 stood for performing poorly. In a study of Seattle area youth soccer players, the average rating was 8.0. The researcher wanted to know whether the St. Louis area players were higher or lower than 8.0.

T-TEST /TESTVAL=8 (VARIABLES= Coach_Rating /MISSING=ANALYSIS /CRITERIA=CI(0.95). One-Sample Statistics N Mean Std. Deviation S.E. Mean Coach Rating Scale 16 6.69 1.99 50 One-Sample Test Test Value = 8 95% Confidence Interval of the Difference df Sig. (2-tailed) Mean Difference Lower Upper Coach Rating Scale -2.64 15 .019 -1.31 -2.37 -.25