Exercise 2

Utilize the formula for the mean to answer the following student grade questions.

1. Malcolm Sander's mean average on 5 tests is 76. Find the sum of his scores.

1. A mean average of 80 or greater for 5 tests is needed to obtain a grade of "B" in a course. Jorge Rivera's first 4 test grades are 73, 69, 85, and 80. What score does Jorge need on the fifth test to receive a grade of "B" in the course?

1. Jim's Fall 2010 courses yielded the following results:

PHY 271 (4 credit hrs.) - C

MAT 152 (4 credit hrs.) - B

ENG 112 (3 credit hrs.) - A

PED 110 (2 credit hrs.) - A

Compute Jim's grade point average (GPA) for the Fall 2010 term.

(Recall: A= 4 pts; B = 3 pts; C = 2 pts; D = 1 pt; F = 0 pts)