The definition of family of measures that will helps to answer a model for improvement is "<em>How will we know that a change is an improvement?"</em>
<h3>What is family of measures?</h3>
Basically, a family of measures refers to a set of measures that help to understand the happenings of a entity's services, products, activities etc
Also, the model for Improvement is a model that provides a guide towards developing and implementing of changes towards an improvement.
In conclusion, the definition of family of measures that will helps to answer a model for improvement is "<em>How will we know that a change is an improvement?"</em>
Read more about Improvement model
<em>brainly.com/question/26247879</em>
