Data Analysis with excel -- 4

you can do these tasks

If yes , there would b too much contact after that

Here's some info might help you if you can work immediately on it

https://drive.google.com/drive/folders/1D_LtR54YioYkQgVgywK8E1YVirsx2Cri

please give me an excel file for the final answers. of course would give you the best review ever if you can Thank you!