Madonna Lewis is the head of public relations for the Department of Sanitary Engineering. Ms. Lewis is trying to determine whether new refuse collection procedures have improved the public€™s perception of the Department of Sanitary Engineering. She commissioned public opinion surveys before and after new customer service procedures were implemented in the Department. The results appear in the accompanying table. Analyze the table for Ms. Lewis, and evaluate whether public perception of the department has improved over time.

Transcribed Image Text:

Survey Opinion Department is doing a poor job Department is doing a good job Before After 148 94 182