Question

please answer this!!!!!Paul and his friends average their test grades and find that the average is 95. The teacher announces that the average grade of all of her classes is 83. why are the averages so different?

Answer 1

the averages are very different because there was a wide range of test scores among students

Answer 2

Paul and his friends is a smaller group of scores to add together and divide with, so their average will be different from the class since the class has more scores to add up and a bigger number of people to divide by.