advertisement

Intro to Statistics Weighted Mean Worksheet 1 Find the weighted mean of the data. 1. Source Score, x Homework 60 Midterm 75 Project 80 Speech 70 Final Exam 62 Name_________________ Weight,w 5% 35% 20% 15% 25% 2. For the month of April, a checking account has a balance of $700 for 24 days, 1215 for days, and 375 for 4 days. What is the average balance for April? 3. The average salaries for 25 employees at a company is given. Find the average starting salary? 8 with MBAs: $55,500 17 with BAs in business: $33,000 4. A student receives the following grades, with an A worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1 point. What is the student’s mean grade point score? A in 2 three‐credit classes, B in 1 two‐credit class, D in 1 three‐credit class, and an C in 1 four‐ credit class.