Find the mean of this data: 37, 36, 40, 36, 40, 36, 38. if necessary, round to the nearest tenth.
37.6
36
39.6
38

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)