实验结果显示平均反应时间为1.5秒，误差范围为正负0.3秒。

The experiment showed an average reaction time of 1.5 seconds ___± 0.3 seconds.

这名球员整场比赛的胜负值为-10，说明他在场时球队失分较多。

The player ended the game with a ___plus-minus of -10, indicating his team struggled defensively when he was on the court.

这个项目需要花费大约5000元。

The project will cost ___approximately 5000 yuan.