ACT SAT PREP - Arithmetic Mean

The video tutorial humorously introduces the concept of arithmetic mean, explaining it as the average of a set of numbers. The instructor uses a relatable example involving multiples of 10 from 10 to 190, demonstrating how to calculate the average by summing the numbers and dividing by the count. A quick calculation method is also shared, highlighting a pattern in the numbers. The tutorial concludes with a humorous note, emphasizing the learning point.

What new insight or understanding did you gain from this video?