Day-of-the-Week, Left dB--Average by Day of the Week,StdDev_Pos,StdDev_Neg
1,112.371,0.127,0.131
2,111.977,0.118,0.122
3,112.748,0.102,0.105
4,111.314,0.130,0.134
5,112.832,0.123,0.126
6,112.621,0.119,0.123
7,112.506,0.128,0.132