Use the data in the attached Excel file to construct a mean (X-bar) control chart. The file contains values for the length of wooden boards cut in a production process. Values are provided for seven samples (each with five observations). Make sure and briefly mention whether the process appears out of control (sample mean above the UCL or below the LCL).

MGT 325 HW XBar SV Use View Tell me what you want to do... File Data Review Home Insert Page Layout Formulas * Cut Calibri - 11 - Copy BIU DA Format Painter Clipboard Font fix Wrap Text General Merge & Center - $ - % Paste Conditional Formatting Alignment Number D E F G H K 4 1 2 Observation 3 1 4 2 5 3 6 4 7 5 8 9 10 11 12 B Sample 1 72.10 71.50 72.00 72.30 73.40 2 73.00 72.10 72.30 71.80 71.30 3 72.00 71.40 71.80 71.30 72.10 74.00 72.00 72.10 71.20 71.50 5 72.10 71.50 72.40 72.30 6 75.00 76.50 72.30 73.40 75,40 7 72.30 71.80 72.40 71.20 70.80 73.00 13 14