Procedure 1. Control solution A was analyzed daily, and the following values were obtained: Control Values Days of Running (mg/dL) 118 120 121 119 125 118 122 116 124 10 123 11 117 12 117 13 121 14 120 15 120 16 119 17 121 18 123 19 120 20 122 2. Compute for the following: a. Mean e. + 3 SD b. Standard Deviation f. Coefficient of Variation c. + 1 SD g. Variance d. + 2 SD 3. Construct a S-L/J chart and identify the Westgard rule violated (if any) and the type of error associated with the control rule violation. LABORATORY MANUAL IN CLINICAL CHEMISTRY I 2