Problem # $1$

Open the Excel file attached and refer to the data provided below to fill the $?$ values: $$ Final problems from chapters $6$ to $8-$ SP$2021.$x$|$s$.$x $+-(*)$

Plug in the data in the Excel file provided $($note there are multiple sheets, use the $x$&$R$ bar problem$).$ you need to calculate your $x-$bar value and enter it here $($no decimal values$).$ Provide the rest of the answers plus graphs on the excel sheet $($or your worksheet if you do not use excel to solve the problem$).$ Interpret the results. How is the process doing? Do you see a problem with the data?

Calculate UCLX & LCLX as well as UCLr & LCLr values

Using the graph and the answers you found, Interpret the data. Assume $n=4$

$\backslash$table$[[,$X$,$X$-$bar,$R$