Step seven, derive the importance of the technical requirements. That is the column weights. We will update this section of our house of quality now, it represents the column weight, or to simply put the ratings of each technical requirement. Each of these ratings is derived by multiplying the value in the importance column in the customer requirement section by values assigned in the relationship matrix. So let's calculate the rating of the weight of the potion. Five is multiplied by nine, three, multiplied by three, and four multiplied by three.

It is then added together, resulting in 66. This is then updated for the remaining technical requirements. By completing this house of quality, you have now set the primary design characteristics. You would use the house from this house of quality as the wats of another house of quality that depicts detailed product design. This process is repeated two more times after that once for creating a process planning house and then production planning house