A Review Of politicsoc.com
Maybe you have too many appliances plugged in to the circuit (the fan is on) and it could have tripped the breaker. Or even the breaker could faulty and tripped on its own without overloading.以下是民意調查的一些基本特點和重要性: 抽樣:由於不可能向每一個人詢問意見,所以調查者會選擇一個代表性的樣�