Shows the valid grades bucketset Edit Bucketset dialog. This dialog includes the Name field with value valid_grades. The Datatype field with value int. Buckets are also defined with the following endpoints: 100, 90, 80, 70, 60, 0, and -Infinity. These represent grades, as specified in the Alias field: > 100 not valid, A, B, C, D, F, and <0, Not Valid. Allowed in Actions field is selected for each endpoint, except the bottom and the top values: 100, and -Infinity. The Included Endpoint field is selected for all endpoints, except the top, with value 100.