please Sara recorded the height of the ocean at low tide, with respect to sea level, for four days. Time Low Tide (inches) Monday a.m. −4 Monday p.m. ​ −6 ​ Tuesday a.m. ​ −3 ​ Tuesday p.m. ​ −1 ​ Wednesday a.m. 0 Wednesday p.m. 2 Thursday a.m. ​ −1 ​ Thursday p.m. ​ −3 ​ What is the average height of the ocean at low tide with respect to sea level? Enter your answer in the box.