Cart Home » Cart Continue shopping “Xbar-s Control Chart Complete Teaching Guide” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal Interpretation of Control Charts Complete Teaching Guide $79.00 Quantity - 2 + $158.00 Xbar-s Control Chart Complete Teaching Guide $79.00 Quantity - 1 + $79.00 Update Cart Cart Totals Subtotal $237.00 Total $237.00 Proceed to Checkout