1. Karen Economics class calculates grades using a weighed score. If 15% of her grade comes from homework, 20% from exam 1, 20% from exam 2, 20% from exam 3, and 25% from the final. Calculate her score if she earned the following scores. Round to the nearest tenth of a percent. Show your work to justify your answer (there is more than one correct solution)

Homework: 8/10, 12/15, 18/20, 17/20, and 28/30. Where 28/30 means that she earned 28 out of the 30 possible points

Exam 1: 85%

Exam 2: 92%

Exam 3: 82%

Final: 87%

1. Calculate the mean, median, mode, range, variance, and standard deviation of data set B. Round each to the nearest hundredth if it is not a whole number
2. Calculate the grade-point average : A = 4, AB = 3.5, B = 3, BC = 2.5, C = 2, D = 1, F = 0

CoursesCreditsGrade

Marketing3AB

Business Law3B

Intro to Microcomputers1D

Sociology2A

Psychology4BC

Written Communication3CGPA :________( 3 decimal places)

1. Janice has these grades in Algebra: 98, 82, 87, 72, and 82. What minimum grade must she get on the next test in order to get an 85% average? State your answer as a percentage rounded to the nearest tenth of a percent

Grade: ____________