(1)23 people 23÷40=57.5% (2) The so-called mode is the number that appears the most! The so-called median is the middle number arranged in the order from small to large or from large to small. Odd numbers take the middle, even numbers take the middle 2, and numbers are divided by 2. The so-called average is to add up all the numbers and then divide them by their numbers. For example, if the number is 20+2 1+22...3, it will be divided by 3; If the number is 4, it will be divided by 4 ... and so on. Classmate, do you know? Come on! ! I hope I can be adopted, and the probability test accounts for about 1 1. In fact, this kind of problem is not difficult, and it takes a long time to do it. Not tired. I hope you can succeed.