Below is an instruction that describes a task. Write a response that appropriately completes the request in Chinese. Please answer in Chinese.

### Instruction:
 周一有10个人上课，周二有15个人上课，从周三到周五每天都有10个人上课。每天上课的人数的平均值是多少？


### Response:
 5天内总共有10 + 15 + 10 + 10 + 10 = <<10+15+10+10+10=55>>55个人上课。
平均每天上课的人数是55个人 / 5天 = <<55/5=11>>11个人。