Please write a C ++ program to find the mean value of data in the file data.txt
Extracted text: 2,3,4,5,6,9,4,3,2,1,12,16,19,18,11,19,18,23,21,13,16,18,19,3,4,5,6,9,4,12,16,19,18,11,19,18,23, 21,13,16,18,19,3,4,5,6,9,4,1,12,16,19,18,11,19,18,23,21,13,16,18,19,3,4,5,6,9,4,12,16,19,18,11, 19,18,23,21,13,16,18,19,3,4,5,6,9,4,4,5,6,9,4,3,2,1,12,16,19,18,11,19,18,23,21,13,16,18,19,3,4,5, 6,9,4,12,16,19,18,11,19,18,23,21,13,16,18,19,3,4,5,6,9,4,1,12,16,19,18,11,19,18,23,21,13,16,18, 19,3,4,5,6,9,4,12,16,19,18,11,19,18,23,21,13,16,18,19,3,4,5,6,9,4