Perform the indicate row operations using the following matrix

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Can some one me with these questions