Question: the average of 50 numbers is 38 . if two numbers 45 and 55 are discarded , the average of the remaining set of numbers is
A) 38.5
B) 37.5
C) 37
D) 36.5
E)  none of these
Correct answer: b
Grade: 6 | Topic: Statistics and Probability | Difficulty: Medium | Standard: 6.SP.A.3